/* -*- mode: c; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* * gcal-month-view.c * * Copyright (C) 2015 - Erick Pérez Castellanos * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "gcal-month-view.h" #include "gcal-subscriber-view-private.h" #include "gcal-utils.h" #include "gcal-view.h" #include #include #define LINE_WIDTH 0.5 typedef struct { GtkWidget *overflow_popover; GtkWidget *events_list_box; GtkWidget *popover_title; GdkWindow *event_window; /* * the cell on which its drawn the first day of the month, in the first row, 0 for the first cell, 1 for the second, * and so on, this takes first_weekday into account already. */ gint days_delay; /* * The cell whose keyboard focus is on. */ gint keyboard_cell; /* * first day of the week according to user locale, being * 0 for Sunday, 1 for Monday and so on */ gint first_weekday; /* * The start & end dates of the selection. We use datetimes to allow the user to navigate between months using * the keyboard. */ GDateTime *start_mark_cell; GDateTime *end_mark_cell; /** * This flags signals when the cursor is over an overflow indicator and when once has been clicked */ gint pressed_overflow_indicator; gint hovered_overflow_indicator; /** * clock format from GNOME desktop settings */ gboolean use_24h_format; /* text direction factors */ gboolean k; icaltimetype *current_date; /* The cell hovered during Drag and Drop */ gint dnd_cell; /* property */ icaltimetype *date; GcalManager *manager; } GcalMonthViewPrivate; enum { PROP_0, PROP_DATE, /* active-date inherited property */ }; #define MIRROR(val,start,end) (start + (val / end) * end + (end - val % end)) static gint gather_button_event_data (GcalMonthView *view, gdouble x, gdouble y, gboolean *out_on_indicator, gdouble *out_x, gdouble *out_y); static gdouble get_start_grid_y (GtkWidget *widget); static gboolean get_widget_parts (gint first_cell, gint last_cell, gint natural_height, gdouble vertical_cell_space, gdouble *size_left, GArray *cells, GArray *lengths); static void rebuild_popover_for_day (GcalMonthView *view, gint day); static void update_list_box_headers (GtkListBoxRow *row, GtkListBoxRow *before, gpointer user_data); static gboolean gcal_month_view_key_press (GtkWidget *widget, GdkEventKey *event); static void add_new_event_button_cb (GtkWidget *button, gpointer user_data); static void gcal_month_view_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec); static void gcal_month_view_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec); static void gcal_month_view_finalize (GObject *object); static void gcal_month_view_realize (GtkWidget *widget); static void gcal_month_view_unrealize (GtkWidget *widget); static void gcal_month_view_map (GtkWidget *widget); static void gcal_month_view_unmap (GtkWidget *widget); static void gcal_month_view_size_allocate (GtkWidget *widget, GtkAllocation *allocation); static gboolean gcal_month_view_draw (GtkWidget *widget, cairo_t *cr); static gboolean gcal_month_view_button_press (GtkWidget *widget, GdkEventButton *event); static gboolean gcal_month_view_motion_notify_event (GtkWidget *widget, GdkEventMotion *event); static gboolean gcal_month_view_button_release (GtkWidget *widget, GdkEventButton *event); static void gcal_month_view_direction_changed (GtkWidget *widget, GtkTextDirection previous_direction); static guint gcal_month_view_get_child_cell (GcalSubscriberView *subscriber, GcalEventWidget *child); static void gcal_month_view_clear_state (GcalSubscriberView *subscriber); static icaltimetype* gcal_month_view_get_initial_date (GcalView *view); static icaltimetype* gcal_month_view_get_final_date (GcalView *view); static void gcal_month_view_clear_marks (GcalView *view); static GList* gcal_month_view_get_children_by_uuid (GcalView *view, const gchar *uuid); static void gcal_view_interface_init (GcalViewInterface *iface); static void cancel_selection (GcalMonthView *month_view); G_DEFINE_TYPE_WITH_CODE (GcalMonthView, gcal_month_view,GCAL_TYPE_SUBSCRIBER_VIEW, G_ADD_PRIVATE (GcalMonthView) G_IMPLEMENT_INTERFACE (GCAL_TYPE_VIEW, gcal_view_interface_init)); static gint real_cell (gint cell, gboolean rtl) { if (cell < 0) return cell; return rtl ? MIRROR (cell, 0, 7) - 1 : cell; } static void cancel_selection (GcalMonthView *month_view) { GtkWidget *widget; GcalMonthViewPrivate *priv; widget = GTK_WIDGET (month_view); priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (widget)); g_clear_pointer (&priv->start_mark_cell, g_date_time_unref); g_clear_pointer (&priv->end_mark_cell, g_date_time_unref); } static void get_cell_position (GcalMonthView *view, gint cell, gdouble *out_x, gdouble *out_y) { GcalMonthViewPrivate *priv; GtkWidget *widget; gdouble start_grid_y; gint shown_rows; gdouble first_row_gap; gdouble cell_width; gdouble cell_height; priv = gcal_month_view_get_instance_private (view); widget = GTK_WIDGET (view); start_grid_y = get_start_grid_y (widget); shown_rows = ceil ((priv->days_delay + icaltime_days_in_month (priv->date->month, priv->date->year)) / 7.0); first_row_gap = (6 - shown_rows) * 0.5; /* invalid area before the actual rows */ cell_width = gtk_widget_get_allocated_width (widget) / 7.0; cell_height = (gtk_widget_get_allocated_height (widget) - start_grid_y) / 6.0; if (out_x != NULL) *out_x = cell_width * ((cell % 7) + 0.5); if (out_y != NULL) *out_y = cell_height * ((cell / 7) + first_row_gap + 0.5) + start_grid_y; } static gboolean show_popover_for_position (GcalMonthView *view, gdouble x, gdouble y, gboolean on_indicator) { GcalSubscriberViewPrivate *ppriv; GcalMonthViewPrivate *priv; GtkWidget *widget; GDateTime *end_dt,*start_dt; widget = GTK_WIDGET (view); priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (widget)); ppriv = GCAL_SUBSCRIBER_VIEW (widget)->priv; start_dt = priv->start_mark_cell; end_dt = priv->end_mark_cell; if (priv->start_mark_cell == NULL) return FALSE; if (priv->pressed_overflow_indicator != -1 && g_date_time_equal (start_dt, end_dt) && g_hash_table_contains (ppriv->overflow_cells, GINT_TO_POINTER (priv->pressed_overflow_indicator))) { priv->hovered_overflow_indicator = priv->pressed_overflow_indicator; rebuild_popover_for_day (GCAL_MONTH_VIEW (widget), g_date_time_get_day_of_month (end_dt)); gtk_widget_show_all (priv->overflow_popover); gtk_widget_queue_draw (widget); priv->pressed_overflow_indicator = -1; cancel_selection (GCAL_MONTH_VIEW (widget)); return TRUE; } else { gboolean should_clear_end = FALSE; /* Swap dates if start > end */ if (g_date_time_compare (start_dt, end_dt) > 0) { GDateTime *aux; aux = start_dt; start_dt = end_dt; end_dt = aux; } /* Only setup an end date when days are different */ if (!g_date_time_equal (start_dt, end_dt)) { GDateTime *tmp_dt; tmp_dt = g_date_time_new_local (g_date_time_get_year (end_dt), g_date_time_get_month (end_dt), g_date_time_get_day_of_month (end_dt), 0, 0, 0); end_dt = g_date_time_add_days (tmp_dt, 1); should_clear_end = TRUE; g_clear_pointer (&tmp_dt, g_date_time_unref); } g_signal_emit_by_name (GCAL_VIEW (widget), "create-event", start_dt, end_dt, x, y); if (should_clear_end) g_clear_pointer (&end_dt, g_date_time_unref); } gtk_widget_queue_draw (widget); priv->pressed_overflow_indicator = -1; return FALSE; } static gint gather_button_event_data (GcalMonthView *view, gdouble x, gdouble y, gboolean *out_on_indicator, gdouble *out_x, gdouble *out_y) { GcalMonthViewPrivate *priv; GtkWidget *widget; gdouble start_grid_y; gint shown_rows; gdouble first_row_gap; gdouble cell_width; gdouble cell_height; gint cell; GtkStyleContext *context; GtkStateFlags state; PangoLayout *overflow_layout; PangoFontDescription *ofont_desc; gint font_height, padding_bottom, padding_top; priv = gcal_month_view_get_instance_private (view); widget = GTK_WIDGET (view); start_grid_y = get_start_grid_y (widget); shown_rows = ceil ((priv->days_delay + icaltime_days_in_month (priv->date->month, priv->date->year)) / 7.0); first_row_gap = (6 - shown_rows) * 0.5; /* invalid area before the actual rows */ cell_width = gtk_widget_get_allocated_width (widget) / 7.0; cell_height = (gtk_widget_get_allocated_height (widget) - start_grid_y) / 6.0; context = gtk_widget_get_style_context (widget); state = gtk_style_context_get_state (context); gtk_style_context_save (context); gtk_style_context_add_class (context, "overflow"); gtk_style_context_get (context, state, "font", &ofont_desc, "padding-bottom", &padding_bottom, "padding-top", &padding_top, NULL); overflow_layout = gtk_widget_create_pango_layout (widget, NULL); pango_layout_set_font_description (overflow_layout, ofont_desc); pango_layout_get_pixel_size (overflow_layout, NULL, &font_height); gtk_style_context_restore (context); pango_font_description_free (ofont_desc); g_object_unref (overflow_layout); y = y - start_grid_y - first_row_gap * cell_height; /* When we're dealing with 5-row months, the first_row_gap * is never big enought, and (gint)(y / cell_height) always * rounds to 0, resulting in a valid cell number when it is * actually invalid. */ cell = y < 0 ? -1 : 7 * (gint)(y / cell_height) + (gint)(x / cell_width); if (out_on_indicator != NULL) { gdouble upper_border = cell_height * ((gint) y / (gint) cell_height); y = y - upper_border; *out_on_indicator = (cell_height - font_height - padding_bottom - padding_top < y && y < cell_height); } if (out_x != NULL) *out_x = cell_width * ((cell % 7) + 0.5); if (out_y != NULL) *out_y = cell_height * ((cell / 7) + first_row_gap + 0.5) + start_grid_y; return cell; } static gdouble get_start_grid_y (GtkWidget *widget) { GtkStyleContext* context; GtkStateFlags state_flags; gint padding_top; PangoLayout *layout; PangoFontDescription *font_desc; gint font_height; gdouble start_grid_y; context = gtk_widget_get_style_context (widget); state_flags = gtk_style_context_get_state (context); layout = gtk_widget_create_pango_layout (widget, NULL); gtk_style_context_save (context); gtk_style_context_add_class (context, "first-view-header"); gtk_style_context_get (context, state_flags, "padding-top", &padding_top, "font", &font_desc, NULL); pango_layout_set_font_description (layout, font_desc); pango_layout_get_pixel_size (layout, NULL, &font_height); pango_font_description_free (font_desc); gtk_style_context_restore (context); start_grid_y = 2 * padding_top + font_height; gtk_style_context_get (context, state_flags, "font", &font_desc, "padding-top", &padding_top, NULL); pango_layout_set_font_description (layout, font_desc); pango_layout_get_pixel_size (layout, NULL, &font_height); start_grid_y += padding_top + font_height; pango_font_description_free (font_desc); g_object_unref (layout); return start_grid_y; } static gboolean get_widget_parts (gint first_cell, gint last_cell, gint natural_height, gdouble vertical_cell_space, gdouble *size_left, GArray *cells, GArray *lengths) { gint i; gint current_part_length; gdouble y, old_y = - 1.0; if (last_cell < first_cell) { gint swap = last_cell; last_cell = first_cell; first_cell = swap; } for (i = first_cell; i <= last_cell; i++) { if (size_left[i] < natural_height) { return FALSE; } else { y = vertical_cell_space - size_left[i]; if (y != old_y) { current_part_length = 1; g_array_append_val (cells, i); g_array_append_val (lengths, current_part_length); old_y = y; } else { current_part_length++; g_array_index (lengths, gint, lengths->len - 1) = current_part_length; } } } return TRUE; } static void rebuild_popover_for_day (GcalMonthView *view, gint day) { GcalSubscriberViewPrivate *ppriv; GcalMonthViewPrivate *priv; GList *l; GtkWidget *child_widget; GdkRectangle rect; gchar *label_title; /* placement helpers */ gdouble start_grid_y, cell_width, cell_height; gint shown_rows; gint real_clicked_popover_cell; GtkStyleContext *context; GtkStateFlags state; PangoLayout *overflow_layout; PangoFontDescription *ofont_desc; gint font_height, padding_bottom; GTimeZone *tz; priv = gcal_month_view_get_instance_private (view); ppriv = GCAL_SUBSCRIBER_VIEW (view)->priv; label_title = g_strdup_printf ("%s %d", gcal_get_month_name (priv->date->month - 1), day); gtk_label_set_text (GTK_LABEL (priv->popover_title), label_title); g_free (label_title); /* Clean all the widgets */ gtk_container_foreach (GTK_CONTAINER (priv->events_list_box), (GtkCallback) gtk_widget_destroy, NULL); l = g_hash_table_lookup (ppriv->overflow_cells, GINT_TO_POINTER (priv->pressed_overflow_indicator)); tz = g_time_zone_new_local (); /* Setup the start & end dates of the events as the begin & end of day */ if (l != NULL) { GDateTime *current_date; GDateTime *dt_start; GDateTime *dt_end; current_date = icaltime_to_datetime (priv->date); dt_start = g_date_time_new (tz, g_date_time_get_year (current_date), g_date_time_get_month (current_date), day, 0, 0, 0); dt_end = g_date_time_add_days (dt_start, 1); for (; l != NULL; l = g_list_next (l)) { GtkWidget *cloned_event; cloned_event = gcal_event_widget_clone (l->data); gcal_event_widget_set_date_start (GCAL_EVENT_WIDGET (cloned_event), dt_start); gcal_event_widget_set_date_end (GCAL_EVENT_WIDGET (cloned_event), dt_end); gtk_container_add (GTK_CONTAINER (priv->events_list_box), cloned_event); _gcal_subscriber_view_setup_child (GCAL_SUBSCRIBER_VIEW (view), cloned_event); } g_clear_pointer (¤t_date, g_date_time_unref); g_clear_pointer (&dt_start, g_date_time_unref); g_clear_pointer (&dt_end, g_date_time_unref); } g_clear_pointer (&tz, g_time_zone_unref); /* placement calculation */ start_grid_y = get_start_grid_y (GTK_WIDGET (view)); shown_rows = ceil ((priv->days_delay + icaltime_days_in_month (priv->date->month, priv->date->year)) / 7.0); cell_width = gtk_widget_get_allocated_width (GTK_WIDGET (view)) / 7.0; cell_height = (gtk_widget_get_allocated_height (GTK_WIDGET (view)) - start_grid_y) / 6.0; context = gtk_widget_get_style_context (GTK_WIDGET (view)); state = gtk_style_context_get_state (context); gtk_style_context_save (context); gtk_style_context_add_class (context, "overflow"); gtk_style_context_get (context, state, "font", &ofont_desc, "padding-bottom", &padding_bottom, NULL); overflow_layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL); pango_layout_set_font_description (overflow_layout, ofont_desc); pango_layout_get_pixel_size (overflow_layout, NULL, &font_height); gtk_style_context_restore (context); pango_font_description_free (ofont_desc); g_object_unref (overflow_layout); real_clicked_popover_cell = real_cell (priv->pressed_overflow_indicator, priv->k); rect.y = cell_height * ((real_clicked_popover_cell / 7) + 1.0 + (6 - shown_rows) * 0.5) + start_grid_y - padding_bottom - font_height / 2; rect.width = 1; rect.height = 1; if (real_clicked_popover_cell % 7 < 3) { rect.x = cell_width * ((real_clicked_popover_cell % 7) + 1.0); gtk_popover_set_position (GTK_POPOVER (priv->overflow_popover), priv->k ? GTK_POS_LEFT : GTK_POS_RIGHT); } else if (real_clicked_popover_cell % 7 > 3) { rect.x = cell_width * ((real_clicked_popover_cell % 7)); gtk_popover_set_position (GTK_POPOVER (priv->overflow_popover), priv->k ? GTK_POS_RIGHT : GTK_POS_LEFT); } else { rect.x = cell_width * ((real_clicked_popover_cell % 7) + 1.0 - priv->k); gtk_popover_set_position (GTK_POPOVER (priv->overflow_popover), GTK_POS_RIGHT); } gtk_popover_set_pointing_to (GTK_POPOVER (priv->overflow_popover), &rect); /* sizing hack */ child_widget = gtk_bin_get_child (GTK_BIN (priv->overflow_popover)); gtk_widget_set_size_request (child_widget, 200, -1); g_object_set_data (G_OBJECT (priv->overflow_popover), "selected-day", GINT_TO_POINTER (day)); } static void overflow_popover_hide (GtkWidget *widget, gpointer user_data) { GcalMonthViewPrivate *priv; priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (user_data)); priv->hovered_overflow_indicator = -1; gtk_widget_queue_draw (GTK_WIDGET (user_data)); } static void update_list_box_headers (GtkListBoxRow *row, GtkListBoxRow *before, gpointer user_data) { GcalMonthViewPrivate *priv; GtkWidget *row_child, *before_child = NULL; GDateTime *row_date, *before_date = NULL; GcalEvent *row_event; priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (user_data)); row_child = gtk_bin_get_child (GTK_BIN (row)); row_event = gcal_event_widget_get_event (GCAL_EVENT_WIDGET (row_child)); row_date = gcal_event_widget_get_date_start (GCAL_EVENT_WIDGET (row_child)); row_date = g_date_time_to_local (row_date); if (before != NULL) { before_child = gtk_bin_get_child (GTK_BIN (before)); before_date = gcal_event_widget_get_date_start (GCAL_EVENT_WIDGET (before_child)); before_date = g_date_time_to_local (before_date); } if (!gcal_event_is_multiday (row_event) && !gcal_event_get_all_day (row_event) && (before_date == NULL || g_date_time_get_hour (before_date) != g_date_time_get_hour (row_date))) { gchar *time; GtkWidget *label, *vbox; gint hour; hour = g_date_time_get_hour (row_date); if (priv->use_24h_format) time = g_strdup_printf ("%.2d:00", hour); else time = g_strdup_printf ("%.2d:00 %s", hour % 12, hour < 12 ? "AM" : "PM"); label = gtk_label_new (time); gtk_style_context_add_class (gtk_widget_get_style_context (label), GTK_STYLE_CLASS_DIM_LABEL); g_object_set (label, "margin-start", 6, "halign", GTK_ALIGN_START, NULL); vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0); gtk_container_add (GTK_CONTAINER (vbox), label); gtk_container_add (GTK_CONTAINER (vbox), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL)); gtk_widget_show_all (vbox); gtk_list_box_row_set_header (row, vbox); g_free (time); } g_clear_pointer (&before_date, g_date_time_unref); g_clear_pointer (&row_date, g_date_time_unref); } static gboolean gcal_month_view_key_press (GtkWidget *widget, GdkEventKey *event) { GcalMonthViewPrivate *priv; gboolean selection, valid_key; gdouble x, y; gint min, max, diff, month_change, current_day; g_return_val_if_fail (GCAL_IS_MONTH_VIEW (widget), FALSE); priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (widget)); selection = event->state & GDK_SHIFT_MASK; valid_key = FALSE; diff = 0; month_change = 0; current_day = priv->keyboard_cell - priv->days_delay + 1; min = priv->days_delay; max = priv->days_delay + icaltime_days_in_month (priv->date->month, priv->date->year) - 1; /* * If it's starting the selection right now, it should mark the current keyboard * focused cell as the start, and then update the end mark after updating the * focused cell. */ if (selection && priv->start_mark_cell == NULL) priv->start_mark_cell = g_date_time_new_local (priv->date->year, priv->date->month, current_day, 0, 0, 0); switch (event->keyval) { case GDK_KEY_Up: valid_key = TRUE; diff = -7; break; case GDK_KEY_Down: valid_key = TRUE; diff = 7; break; case GDK_KEY_Left: valid_key = TRUE; diff = priv->k ? 1 : -1; break; case GDK_KEY_Right: valid_key = TRUE; diff = priv->k ? -1 : 1; break; case GDK_KEY_Return: /* * If it's not on the selection mode (i.e. shift is not pressed), we should * simulate it by changing the start & end selected cells = keyboard cell. */ if (!selection && priv->start_mark_cell == NULL && priv->end_mark_cell == NULL) priv->start_mark_cell = priv->end_mark_cell = g_date_time_new_local (priv->date->year, priv->date->month, current_day, 0, 0, 0); get_cell_position (GCAL_MONTH_VIEW (widget), real_cell (current_day + priv->days_delay - 1, priv->k), &x, &y); show_popover_for_position (GCAL_MONTH_VIEW (widget), x, y, FALSE); break; case GDK_KEY_Escape: cancel_selection (GCAL_MONTH_VIEW (widget)); break; default: return FALSE; } if (priv->keyboard_cell + diff <= max && priv->keyboard_cell + diff >= min) { priv->keyboard_cell += diff; } else { month_change = priv->keyboard_cell + diff > max ? 1 : -1; priv->date->month += month_change; *(priv->date) = icaltime_normalize(*(priv->date)); priv->days_delay = (time_day_of_week (1, priv->date->month - 1, priv->date->year) - priv->first_weekday + 7) % 7; /* * Set keyboard cell value to the sum or difference of days delay of successive * month or last day of preceeding month and overload value depending on * month_change. Overload value is the equal to the deviation of the value * of keboard_cell from the min or max value of the current month depending * on the overload point. */ if (month_change == 1) priv->keyboard_cell = priv->days_delay + priv->keyboard_cell + diff - max - 1; else priv->keyboard_cell = priv->days_delay + icaltime_days_in_month (priv->date->month, priv->date->year) - min + priv->keyboard_cell + diff; g_object_notify (G_OBJECT (widget), "active-date"); } current_day = priv->keyboard_cell - priv->days_delay + 1; if (selection) { priv->end_mark_cell = g_date_time_new_local (priv->date->year, priv->date->month, current_day, 0, 0, 0); } else if (!selection && valid_key) { /* Cancel selection if SHIFT is not pressed */ cancel_selection (GCAL_MONTH_VIEW (widget)); } gtk_widget_queue_draw (widget); return TRUE; } /* * Drag and Drop functions */ static gint get_dnd_cell (GtkWidget *widget, gint x, gint y) { GcalMonthViewPrivate *priv; gint cell; priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (widget)); cell = gather_button_event_data (GCAL_MONTH_VIEW (widget), x, y, NULL, NULL, NULL); cell = real_cell (cell, priv->k); if (cell >= priv->days_delay && cell < g_date_get_days_in_month (priv->date->month, priv->date->year) + priv->days_delay) { return cell; } return -1; } static gboolean gcal_month_view_drag_motion (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time) { GcalMonthViewPrivate *priv; priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (widget)); priv->dnd_cell = get_dnd_cell (widget, x, y); /* Setup the drag highlight */ if (priv->dnd_cell != -1) gtk_drag_highlight (widget); else gtk_drag_unhighlight (widget); /* * Sets the status of the drag - if it fails, sets the action to 0 and * aborts the drag with FALSE. */ gdk_drag_status (context, priv->dnd_cell == -1 ? 0 : GDK_ACTION_COPY, time); gtk_widget_queue_draw (widget); return priv->dnd_cell != -1; } static gboolean gcal_month_view_drag_drop (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time) { GcalMonthViewPrivate *priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (widget)); GtkWidget *event_widget; GDateTime *start_dt, *end_dt; GcalEvent *event; gint cell, diff; cell = get_dnd_cell (widget, x, y); event_widget = gtk_drag_get_source_widget (context); event = gcal_event_widget_get_event (GCAL_EVENT_WIDGET (event_widget)); /* Move the event's date */ start_dt = gcal_event_get_date_start (event); end_dt = gcal_event_get_date_end (event); diff = cell - priv->days_delay - g_date_time_get_day_of_month (start_dt) + 1; if (diff != 0) { GDateTime *new_start = g_date_time_add_days (start_dt, diff); gcal_event_set_date_start (event, new_start); /* The event may have a NULL end date, so we have to check it here */ if (end_dt) { GDateTime *new_end = g_date_time_add_days (end_dt, diff); gcal_event_set_date_end (event, new_end); g_clear_pointer (&new_end, g_date_time_unref); } gcal_manager_update_event (priv->manager, event); g_clear_pointer (&new_start, g_date_time_unref); } /* Cancel the DnD */ priv->dnd_cell = -1; gtk_drag_unhighlight (widget); gtk_drag_finish (context, TRUE, FALSE, time); gtk_widget_queue_draw (widget); return TRUE; } static void gcal_month_view_drag_leave (GtkWidget *widget, GdkDragContext *context, guint time) { GcalMonthViewPrivate *priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (widget)); /* Cancel the drag */ priv->dnd_cell = -1; gtk_drag_unhighlight (widget); gtk_widget_queue_draw (widget); } static void add_new_event_button_cb (GtkWidget *button, gpointer user_data) { GcalMonthViewPrivate *priv; gint day; GDateTime *start_date; priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (user_data)); gtk_widget_hide (priv->overflow_popover); day = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (priv->overflow_popover), "selected-day")); start_date = g_date_time_new_local (priv->date->year, priv->date->month, day, 0, 0, 0); g_signal_emit_by_name (GCAL_VIEW (user_data), "create-event-detailed", start_date, NULL); g_date_time_unref (start_date); } static void gcal_month_view_class_init (GcalMonthViewClass *klass) { GObjectClass *object_class; GtkWidgetClass *widget_class; GcalSubscriberViewClass *subscriber_view_class; object_class = G_OBJECT_CLASS (klass); object_class->set_property = gcal_month_view_set_property; object_class->get_property = gcal_month_view_get_property; object_class->finalize = gcal_month_view_finalize; widget_class = GTK_WIDGET_CLASS (klass); widget_class->realize = gcal_month_view_realize; widget_class->unrealize = gcal_month_view_unrealize; widget_class->map = gcal_month_view_map; widget_class->unmap = gcal_month_view_unmap; widget_class->size_allocate = gcal_month_view_size_allocate; widget_class->draw = gcal_month_view_draw; widget_class->button_press_event = gcal_month_view_button_press; widget_class->motion_notify_event = gcal_month_view_motion_notify_event; widget_class->button_release_event = gcal_month_view_button_release; widget_class->direction_changed = gcal_month_view_direction_changed; widget_class->key_press_event = gcal_month_view_key_press; widget_class->drag_motion = gcal_month_view_drag_motion; widget_class->drag_drop = gcal_month_view_drag_drop; widget_class->drag_leave = gcal_month_view_drag_leave; subscriber_view_class = GCAL_SUBSCRIBER_VIEW_CLASS (klass); subscriber_view_class->get_child_cell = gcal_month_view_get_child_cell; subscriber_view_class->clear_state = gcal_month_view_clear_state; g_object_class_override_property (object_class, PROP_DATE, "active-date"); gtk_widget_class_set_css_name (widget_class, "calendar-view"); } static void gcal_month_view_init (GcalMonthView *self) { GcalMonthViewPrivate *priv; GtkWidget *grid; GtkWidget *button; gtk_widget_set_has_window (GTK_WIDGET (self), FALSE); priv = gcal_month_view_get_instance_private (self); cancel_selection (self); priv->pressed_overflow_indicator = -1; priv->hovered_overflow_indicator = -1; priv->k = gtk_widget_get_direction (GTK_WIDGET (self)) == GTK_TEXT_DIR_RTL; priv->overflow_popover = gtk_popover_new (GTK_WIDGET (self)); gtk_style_context_add_class (gtk_widget_get_style_context (priv->overflow_popover), "events"); g_signal_connect (priv->overflow_popover, "hide", G_CALLBACK (overflow_popover_hide), self); grid = gtk_grid_new (); g_object_set (grid, "row-spacing", 6, "orientation", GTK_ORIENTATION_VERTICAL, NULL); gtk_container_add (GTK_CONTAINER (priv->overflow_popover), grid); priv->popover_title = gtk_label_new (NULL); gtk_style_context_add_class (gtk_widget_get_style_context (priv->popover_title), "sidebar-header"); g_object_set (priv->popover_title, "margin", 6, "halign", GTK_ALIGN_START, NULL); priv->events_list_box = gtk_list_box_new (); gtk_list_box_set_selection_mode (GTK_LIST_BOX (priv->events_list_box), GTK_SELECTION_NONE); gtk_list_box_set_header_func (GTK_LIST_BOX (priv->events_list_box), update_list_box_headers, self, NULL); button = gtk_button_new_with_label (_("Add Event…")); g_object_set (button, "hexpand", TRUE, NULL); g_signal_connect (button, "clicked", G_CALLBACK (add_new_event_button_cb), self); gtk_container_add (GTK_CONTAINER (grid), priv->popover_title); gtk_container_add (GTK_CONTAINER (grid), priv->events_list_box); gtk_container_add (GTK_CONTAINER (grid), button); /* Setup the month view as a drag n' drop destination */ gtk_drag_dest_set (GTK_WIDGET (self), 0, NULL, 0, GDK_ACTION_MOVE); } static void gcal_view_interface_init (GcalViewInterface *iface) { iface->get_initial_date = gcal_month_view_get_initial_date; iface->get_final_date = gcal_month_view_get_final_date; iface->clear_marks = gcal_month_view_clear_marks; iface->get_children_by_uuid = gcal_month_view_get_children_by_uuid; } static void gcal_month_view_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec) { GcalSubscriberViewPrivate *ppriv; GcalMonthViewPrivate *priv; ppriv = GCAL_SUBSCRIBER_VIEW (object)->priv; priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (object)); switch (property_id) { case PROP_DATE: { if (priv->date != NULL) g_free (priv->date); priv->date = g_value_dup_boxed (value); priv->days_delay = (time_day_of_week (1, priv->date->month - 1, priv->date->year) - priv->first_weekday + 7) % 7; priv->keyboard_cell = priv->days_delay + (priv->date->day - 1); cancel_selection (GCAL_MONTH_VIEW (object)); ppriv->children_changed = TRUE; gtk_widget_queue_resize (GTK_WIDGET (object)); break; } default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); break; } } static void gcal_month_view_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec) { GcalMonthViewPrivate *priv; priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (object)); switch (property_id) { case PROP_DATE: g_value_set_boxed (value, priv->date); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); break; } } static void gcal_month_view_finalize (GObject *object) { GcalMonthViewPrivate *priv; priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (object)); if (priv->date != NULL) g_free (priv->date); /* Chain up to parent's finalize() method. */ G_OBJECT_CLASS (gcal_month_view_parent_class)->finalize (object); } static void gcal_month_view_realize (GtkWidget *widget) { GcalMonthViewPrivate *priv; GdkWindow *parent_window; GdkWindowAttr attributes; gint attributes_mask; GtkAllocation allocation; priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (widget)); gtk_widget_set_realized (widget, TRUE); parent_window = gtk_widget_get_parent_window (widget); gtk_widget_set_window (widget, parent_window); g_object_ref (parent_window); gtk_widget_get_allocation (widget, &allocation); attributes.window_type = GDK_WINDOW_CHILD; attributes.wclass = GDK_INPUT_ONLY; attributes.x = allocation.x; attributes.y = allocation.y; attributes.width = allocation.width; attributes.height = allocation.height; attributes.event_mask = gtk_widget_get_events (widget); attributes.event_mask |= (GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON1_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_POINTER_MOTION_MASK | GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK); attributes_mask = GDK_WA_X | GDK_WA_Y; priv->event_window = gdk_window_new (parent_window, &attributes, attributes_mask); gtk_widget_register_window (widget, priv->event_window); } static void gcal_month_view_unrealize (GtkWidget *widget) { GcalMonthViewPrivate *priv; priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (widget)); if (priv->event_window != NULL) { gtk_widget_unregister_window (widget, priv->event_window); gdk_window_destroy (priv->event_window); priv->event_window = NULL; } GTK_WIDGET_CLASS (gcal_month_view_parent_class)->unrealize (widget); } static void gcal_month_view_map (GtkWidget *widget) { GcalMonthViewPrivate *priv; priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (widget)); if (priv->event_window != NULL) gdk_window_show (priv->event_window); GTK_WIDGET_CLASS (gcal_month_view_parent_class)->map (widget); } static void gcal_month_view_unmap (GtkWidget *widget) { GcalMonthViewPrivate *priv; priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (widget)); if (priv->event_window != NULL) gdk_window_hide (priv->event_window); GTK_WIDGET_CLASS (gcal_month_view_parent_class)->unmap (widget); } static void gcal_month_view_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { GcalSubscriberViewPrivate *ppriv; GcalMonthViewPrivate *priv; GtkStyleContext *context, *child_context; gint i, j, sw, shown_rows; GtkBorder margin; gint padding_bottom, font_height; PangoLayout *layout; PangoFontDescription *font_desc; gdouble start_grid_y, first_row_gap, cell_width, cell_height, vertical_cell_space; gdouble pos_x, pos_y, size_left [42]; const gchar *uuid; GtkWidget *child_widget; GtkAllocation child_allocation; gint natural_height; GList *widgets, *aux, *l = NULL; GHashTableIter iter; gpointer key, value; priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (widget)); context = gtk_widget_get_style_context (widget); ppriv = GCAL_SUBSCRIBER_VIEW (widget)->priv; /* No need to relayout stuff if nothing changed */ if (!ppriv->children_changed && allocation->height == gtk_widget_get_allocated_height (widget) && allocation->width == gtk_widget_get_allocated_width (widget)) { return; } /* remove every widget' parts, but the master widget */ widgets = g_hash_table_get_values (ppriv->children); for (aux = widgets; aux != NULL; aux = g_list_next (aux)) l = g_list_concat (l, g_list_copy (g_list_next (aux->data))); g_list_free (widgets); g_list_free_full (l, (GDestroyNotify) gtk_widget_destroy); /* clean overflow information */ g_hash_table_remove_all (ppriv->overflow_cells); /* Allocate the widget */ gtk_widget_set_allocation (widget, allocation); if (gtk_widget_get_realized (widget)) gdk_window_move_resize (priv->event_window, allocation->x, allocation->y, allocation->width, allocation->height); gtk_style_context_get (context, gtk_style_context_get_state (context), "font", &font_desc, "padding-bottom", &padding_bottom, NULL); layout = gtk_widget_create_pango_layout (widget, _("Other events")); pango_layout_set_font_description (layout, font_desc); pango_layout_get_pixel_size (layout, NULL, &font_height); pango_font_description_free (font_desc); g_object_unref (layout); start_grid_y = get_start_grid_y (widget); cell_width = allocation->width / 7.0; cell_height = (allocation->height - start_grid_y) / 6.0; vertical_cell_space = cell_height - (padding_bottom * 2 + font_height); for (i = 0; i < 42; i++) size_left[i] = vertical_cell_space; shown_rows = ceil ((priv->days_delay + icaltime_days_in_month (priv->date->month, priv->date->year)) / 7.0); first_row_gap = (6 - shown_rows) * 0.5; sw = 1 - 2 * priv->k; /* * Allocate multidays events before single day events, as they have a * higher priority. Multiday events have a master event, and clones * to represent the multiple sections of the event. */ for (l = ppriv->multi_cell_children; l != NULL; l = g_list_next (l)) { gint first_cell, last_cell, first_row, last_row, start, end; gboolean visible, all_day; GDateTime *date; GcalEvent *event; GArray *cells, *lengths; child_widget = (GtkWidget*) l->data; event = gcal_event_widget_get_event (l->data); uuid = gcal_event_get_uid (event); all_day = gcal_event_get_all_day (event); child_context = gtk_widget_get_style_context (l->data); if (!gtk_widget_is_visible (child_widget) && !g_hash_table_contains (ppriv->hidden_as_overflow, uuid)) continue; gtk_widget_show (child_widget); gtk_widget_get_preferred_height (child_widget, NULL, &natural_height); /* * If the month of the event's start date is equal to the month * we're visualizing, the first cell is the event's day of the * month. Otherwise, the first cell is the 1st day of the month. */ j = 1; date = gcal_event_get_date_start (event); date = all_day ? g_date_time_ref (date) : g_date_time_to_local (date); if (g_date_time_get_month (date) == priv->date->month) j = g_date_time_get_day_of_month (date); j += priv->days_delay; g_clear_pointer (&date, g_date_time_unref); /* * Calculate the first cell position according to the locale * and the start date. */ first_cell = 7 * ((j - 1) / 7)+ 6 * priv->k + sw * ((j - 1) % 7); /* * The logic for the end date is the same, except that we have to check * if the event is all day or not. */ j = icaltime_days_in_month (priv->date->month, priv->date->year); date = gcal_event_get_date_end (event); date = all_day ? g_date_time_ref (date) : g_date_time_to_local (date); if (g_date_time_get_month (date) == priv->date->month) { j = g_date_time_get_day_of_month (date); /* If the event is all day, we have to subtract 1 to find the the real date */ if (all_day) j--; } j += priv->days_delay; g_clear_pointer (&date, g_date_time_unref); last_cell = 7 * ((j - 1) / 7)+ 6 * priv->k + sw * ((j - 1) % 7); /* * Now that we found the start & end dates, we have to find out * whether the event is visible or not. */ first_row = first_cell / 7; last_row = last_cell / 7; visible = TRUE; cells = g_array_sized_new (TRUE, TRUE, sizeof (gint), 16); lengths = g_array_sized_new (TRUE, TRUE, sizeof (gint), 16); for (i = first_row; i <= last_row && visible; i++) { start = i * 7 + priv->k * 6; end = i * 7 + (1 - priv->k) * 6; if (i == first_row) start = first_cell; if (i == last_row) end = last_cell; visible = get_widget_parts (start, end, natural_height, vertical_cell_space, size_left, cells, lengths); } if (visible) { for (i = 0; i < cells->len; i++) { GDateTime *dt_start, *dt_end; gint cell_idx = g_array_index (cells, gint, i); gint length = g_array_index (lengths, gint, i); gint row = cell_idx / 7; gint column = cell_idx % 7; gint day = cell_idx - priv->days_delay + 1; /* Day number is calculated differently on RTL languages */ if (priv->k) day = 7 * row + MIRROR (day % 7, 0, 7) - length; if (i != 0) { child_widget = gcal_event_widget_clone (GCAL_EVENT_WIDGET (child_widget)); _gcal_subscriber_view_setup_child (GCAL_SUBSCRIBER_VIEW (widget), child_widget); gtk_widget_show (child_widget); child_context = gtk_widget_get_style_context (child_widget); aux = g_hash_table_lookup (ppriv->children, uuid); aux = g_list_append (aux, child_widget); } /* XXX: silence Gtk+ complaining about preferred size */ gtk_widget_get_preferred_height (child_widget, NULL, &natural_height); /* * Setup the widget's start date as the first day of the row, * and the widget's end date as the last day of the row. We don't * have to worry about the dates, since GcalEventWidget performs * some checks and only applies the dates when it's valid. */ dt_start = g_date_time_new (gcal_event_get_timezone (event), priv->date->year, priv->date->month, day, 0, 0, 0); dt_end = g_date_time_add_days (dt_start, length); gcal_event_widget_set_date_start (GCAL_EVENT_WIDGET (child_widget), dt_start); gcal_event_widget_set_date_end (GCAL_EVENT_WIDGET (child_widget), dt_end); /* Position and allocate the child widget */ gtk_style_context_get_margin (gtk_widget_get_style_context (child_widget), gtk_style_context_get_state (child_context), &margin); pos_x = cell_width * column + margin.left; pos_y = cell_height * (row + first_row_gap) + start_grid_y + margin.top; child_allocation.x = pos_x; child_allocation.y = pos_y + vertical_cell_space - size_left[cell_idx]; child_allocation.width = cell_width * length - (margin.left + margin.right); child_allocation.height = natural_height; gtk_widget_size_allocate (child_widget, &child_allocation); g_hash_table_remove (ppriv->hidden_as_overflow, uuid); /* update size_left */ for (j = 0; j < length; j++) size_left[cell_idx + j] -= natural_height + margin.top + margin.bottom; g_clear_pointer (&dt_start, g_date_time_unref); g_clear_pointer (&dt_end, g_date_time_unref); } } else { gtk_widget_hide (child_widget); g_hash_table_add (ppriv->hidden_as_overflow, g_strdup (uuid)); for (i = first_cell; i <= last_cell; i++) { aux = g_hash_table_lookup (ppriv->overflow_cells, GINT_TO_POINTER (i)); aux = g_list_append (aux, child_widget); if (g_list_length (aux) == 1) g_hash_table_insert (ppriv->overflow_cells, GINT_TO_POINTER (i), aux); else g_hash_table_replace (ppriv->overflow_cells, GINT_TO_POINTER (i), g_list_copy (aux)); } } g_array_free (cells, TRUE); g_array_free (lengths, TRUE); } /* * Allocate single day events after multiday ones. For single * day children, there's no need to calculate the start & end * dates of the widgets. */ g_hash_table_iter_init (&iter, ppriv->single_cell_children); while (g_hash_table_iter_next (&iter, &key, &value)) { j = GPOINTER_TO_INT (key); j += priv->days_delay; i = 7 * ((j - 1) / 7)+ 6 * priv->k + sw * ((j - 1) % 7); l = (GList*) value; for (aux = l; aux != NULL; aux = g_list_next (aux)) { GcalEvent *event; child_widget = aux->data; event = gcal_event_widget_get_event (aux->data); uuid = gcal_event_get_uid (event); if (!gtk_widget_is_visible (child_widget) && !g_hash_table_contains (ppriv->hidden_as_overflow, uuid)) continue; gtk_widget_show (child_widget); gtk_widget_get_preferred_height (child_widget, NULL, &natural_height); if (size_left[i] > natural_height) { child_context = gtk_widget_get_style_context (child_widget); gtk_style_context_get_margin (child_context, gtk_style_context_get_state (child_context), &margin); pos_x = cell_width * (i % 7) + margin.left; pos_y = cell_height * ((i / 7) + first_row_gap) + start_grid_y + margin.top; child_allocation.x = pos_x; child_allocation.y = pos_y + vertical_cell_space - size_left[i]; child_allocation.width = cell_width - (margin.left + margin.right); child_allocation.height = natural_height; gtk_widget_show (child_widget); gtk_widget_size_allocate (child_widget, &child_allocation); g_hash_table_remove (ppriv->hidden_as_overflow, uuid); size_left[i] -= natural_height + margin.top + margin.bottom; } else { gtk_widget_hide (child_widget); g_hash_table_add (ppriv->hidden_as_overflow, g_strdup (uuid)); l = g_hash_table_lookup (ppriv->overflow_cells, GINT_TO_POINTER (i)); l = g_list_append (l, child_widget); if (g_list_length (l) == 1) g_hash_table_insert (ppriv->overflow_cells, GINT_TO_POINTER (i), l); else g_hash_table_replace (ppriv->overflow_cells, GINT_TO_POINTER (i), g_list_copy (l)); } } } if (g_hash_table_size (ppriv->overflow_cells) != 0) gtk_widget_queue_draw (widget); ppriv->children_changed = FALSE; } static gboolean gcal_month_view_draw (GtkWidget *widget, cairo_t *cr) { GcalSubscriberViewPrivate *ppriv; GcalMonthViewPrivate *priv; GtkStyleContext *context; GtkStateFlags state; GtkBorder padding; GtkAllocation alloc; GdkRGBA color; gchar *header_str; PangoLayout *layout; PangoFontDescription *font_desc, *sfont_desc; gint font_width, font_height, pos_x, pos_y, shown_rows; gint i, j, sw, lower_mark = 43, upper_mark = -2; gint cell_width, cell_height; gdouble start_grid_y, first_row_gap = 0.0; gdouble days; priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (widget)); ppriv = GCAL_SUBSCRIBER_VIEW (widget)->priv; /* fonts and colors selection */ context = gtk_widget_get_style_context (widget); state = gtk_style_context_get_state (context); /* Get font description */ gtk_style_context_save (context); gtk_style_context_set_state (context, state | GTK_STATE_FLAG_SELECTED); gtk_style_context_get (context, state | GTK_STATE_FLAG_SELECTED, "font", &sfont_desc, NULL); gtk_style_context_restore (context); gtk_widget_get_allocation (widget, &alloc); start_grid_y = get_start_grid_y (widget); cell_width = alloc.width / 7.0; cell_height = (alloc.height - start_grid_y) / 6.0; layout = gtk_widget_create_pango_layout (widget, NULL); /* calculations */ days = priv->days_delay + icaltime_days_in_month (priv->date->month, priv->date->year); shown_rows = ceil (days / 7.0); first_row_gap = (6 - shown_rows) * 0.5; /* invalid area before the actual rows */ sw = 1 - 2 * priv->k; /* active cells */ if (priv->start_mark_cell && priv->end_mark_cell) { gint start_year, end_year, start_month, end_month; upper_mark = g_date_time_get_day_of_month(priv->end_mark_cell); start_year = g_date_time_get_year (priv->start_mark_cell); end_year = g_date_time_get_year (priv->end_mark_cell); start_month = g_date_time_get_month (priv->start_mark_cell); end_month = g_date_time_get_month (priv->end_mark_cell); if (start_year == end_year && start_month == end_month) { lower_mark = g_date_time_get_day_of_month(priv->start_mark_cell); } else { if (start_year != end_year) lower_mark = start_year < end_year ? 1 : icaltime_days_in_month (end_month, end_year); else lower_mark = start_month < end_month ? 1 : icaltime_days_in_month (end_month, end_year); } if (lower_mark > upper_mark) { gint cell; cell = lower_mark; lower_mark = upper_mark; upper_mark = cell; } } /* view headers */ gtk_style_context_save (context); gtk_style_context_add_class (context, "first-view-header"); gtk_style_context_get (context, state, "font", &font_desc, NULL); gtk_style_context_get_padding (context, state, &padding); header_str = g_strdup_printf ("%s", gcal_get_month_name (priv->date->month - 1)); pango_layout_set_text (layout, header_str, -1); pango_layout_set_font_description (layout, font_desc); pango_layout_get_pixel_size (layout, &font_width, NULL); gtk_render_layout (context, cr, priv->k * (alloc.width - font_width) + sw * padding.left, padding.top, layout); pango_font_description_free (font_desc); g_free (header_str); gtk_style_context_restore (context); gtk_style_context_save (context); gtk_style_context_add_class (context, "second-view-header"); gtk_style_context_get (context, state, "font", &font_desc, NULL); gtk_style_context_get_padding (context, state, &padding); header_str = g_strdup_printf ("%d", priv->date->year); pango_layout_set_text (layout, header_str, -1); pango_layout_set_font_description (layout, font_desc); pango_layout_get_pixel_size (layout, &font_width, NULL); gtk_render_layout (context, cr, (1 - priv->k) * (alloc.width - font_width) - sw * padding.left, padding.top, layout); pango_font_description_free (font_desc); g_free (header_str); gtk_style_context_restore (context); /*same padding for the rest of the view */ gtk_style_context_get_padding (context, state, &padding); /* grid header */ gtk_style_context_save (context); gtk_style_context_add_class (context, "header"); gtk_style_context_get (context, state, "font", &font_desc, NULL); pango_layout_set_font_description (layout, font_desc); for (i = 0; i < 7; i++) { gchar *upcased_day; j = 6 * priv->k + sw * i; upcased_day = g_utf8_strup (gcal_get_weekday ((j + priv->first_weekday) % 7), -1); pango_layout_set_text (layout, upcased_day, -1); pango_layout_get_pixel_size (layout, &font_width, &font_height); gtk_render_layout (context, cr, cell_width * (i + priv->k) + (sw * padding.left) - priv->k * font_width, start_grid_y - padding.bottom - font_height, layout); g_free (upcased_day); } pango_font_description_free (font_desc); gtk_style_context_restore (context); /* Drag and Drop highlight */ if (priv->dnd_cell != -1) { gtk_render_background (context, cr, floor (cell_width * real_cell (priv->dnd_cell % 7, priv->k)), floor (cell_height * (priv->dnd_cell / 7 + first_row_gap) + start_grid_y), cell_width + 1, cell_height + 1); } /* grid numbers */ gtk_style_context_get (context, state, "font", &font_desc, NULL); pango_layout_set_font_description (layout, font_desc); for (i = 0; i < 7 * shown_rows; i++) { gchar *nr_day; gint column = i % 7; gint row = i / 7; gint real_i = real_cell (i, priv->k); j = 7 * ((i + 7 * priv->k) / 7) + sw * (i % 7) + (1 - priv->k); if (j <= priv->days_delay) continue; else if (j > days) continue; j -= priv->days_delay; nr_day = g_strdup_printf ("%d", j); if (g_hash_table_contains (ppriv->overflow_cells, GINT_TO_POINTER (real_i))) { GList *l; PangoLayout *overflow_layout; PangoFontDescription *ofont_desc; gchar *overflow_str; gdouble y_value; l = g_hash_table_lookup (ppriv->overflow_cells, GINT_TO_POINTER (real_i)); /* TODO: Warning: in some languages this string can be too long and may overlap with the number */ overflow_str = g_strdup_printf (g_dngettext (GETTEXT_PACKAGE, "Other event", "Other %d events", g_list_length (l)), g_list_length (l)); gtk_style_context_save (context); gtk_style_context_add_class (context, "overflow"); if (priv->hovered_overflow_indicator == real_i) { gtk_style_context_set_state (context, GTK_STATE_FLAG_PRELIGHT); gtk_style_context_get (context, GTK_STATE_FLAG_PRELIGHT, "font", &ofont_desc, NULL); } else { gtk_style_context_get (context, state, "font", &ofont_desc, NULL); } overflow_layout = gtk_widget_create_pango_layout (widget, overflow_str); pango_layout_set_font_description (overflow_layout, ofont_desc); pango_layout_set_width (overflow_layout, pango_units_from_double (cell_width)); pango_layout_set_alignment (overflow_layout, PANGO_ALIGN_CENTER); pango_layout_get_pixel_size (overflow_layout, &font_width, &font_height); y_value = cell_height * (row + 1 + first_row_gap) - font_height - padding.bottom + start_grid_y; if ((!gtk_widget_is_visible (priv->overflow_popover) && priv->hovered_overflow_indicator == real_i) || gtk_widget_is_visible (priv->overflow_popover)) { gtk_render_background (context, cr, cell_width * column, y_value - padding.bottom, cell_width, font_height + padding.bottom * 2); } gtk_render_layout (context, cr, cell_width * column, y_value, overflow_layout); gtk_style_context_remove_class (context, "overflow"); gtk_style_context_restore (context); g_free (overflow_str); pango_font_description_free (ofont_desc); g_object_unref (overflow_layout); } if (priv->date->year == priv->current_date->year && priv->date->month == priv->current_date->month && j == priv->current_date->day) { PangoLayout *clayout; PangoFontDescription *cfont_desc; gtk_style_context_save (context); gtk_style_context_add_class (context, "current"); clayout = gtk_widget_create_pango_layout (widget, nr_day); gtk_style_context_get (context, state, "font", &cfont_desc, NULL); pango_layout_set_font_description (clayout, cfont_desc); pango_layout_get_pixel_size (clayout, &font_width, &font_height); /* FIXME: hardcoded padding of the number background */ gtk_render_background (context, cr, cell_width * (column + 1 - priv->k) - sw * padding.right + (priv->k - 1) * font_width - 2.0, cell_height * (row + 1 + first_row_gap) - font_height - padding.bottom + start_grid_y, font_width + 4, font_height + 2); gtk_render_layout (context, cr, cell_width * (column + 1 - priv->k) - sw * padding.right + (priv->k - 1) * font_width, cell_height * (row + 1 + first_row_gap) - font_height - padding.bottom + start_grid_y, clayout); gtk_style_context_restore (context); pango_font_description_free (cfont_desc); g_object_unref (clayout); } else if (lower_mark <= j && j <= upper_mark) { gtk_style_context_save (context); gtk_style_context_set_state (context, GTK_STATE_FLAG_SELECTED); pango_layout_set_text (layout, nr_day, -1); pango_layout_set_font_description (layout, sfont_desc); pango_layout_get_pixel_size (layout, &font_width, &font_height); gtk_render_layout (context, cr, cell_width * (column + 1 - priv->k) - sw * padding.right + (priv->k - 1) * font_width, cell_height * (row + 1 + first_row_gap) - font_height - padding.bottom + start_grid_y, layout); gtk_style_context_restore (context); pango_layout_set_font_description (layout, font_desc); } else { pango_layout_set_text (layout, nr_day, -1); pango_layout_get_pixel_size (layout, &font_width, &font_height); gtk_render_layout (context, cr, cell_width * (column + 1 - priv->k) - sw * padding.right + (priv->k - 1) * font_width, cell_height * (row + 1 + first_row_gap) - font_height - padding.bottom + start_grid_y, layout); } g_free (nr_day); } pango_font_description_free (sfont_desc); pango_font_description_free (font_desc); /* lines */ gtk_style_context_save (context); gtk_style_context_add_class (context, "lines"); gtk_style_context_get_color (context, state, &color); cairo_set_line_width (cr, LINE_WIDTH); gdk_cairo_set_source_rgba (cr, &color); /* vertical lines, the easy ones */ for (i = 0; i < 6; i++) { pos_x = cell_width * (i + 1); cairo_move_to (cr, pos_x + (LINE_WIDTH / 2), start_grid_y); cairo_rel_line_to (cr, 0, alloc.height - start_grid_y); } /* top horizontal line */ cairo_move_to (cr, 0, start_grid_y + (LINE_WIDTH / 2)); cairo_rel_line_to (cr, alloc.width, 0); /* drawing weeks lines */ for (i = 0; i < (shown_rows % 2) + 5; i++) { pos_y = cell_height * (i + 0.5 * (2.0 - (shown_rows % 2))) + start_grid_y; cairo_move_to (cr, 0, pos_y + (LINE_WIDTH / 2)); cairo_rel_line_to (cr, alloc.width, 0); } cairo_stroke (cr); gtk_style_context_restore (context); /* selection borders */ if (priv->start_mark_cell && priv->end_mark_cell) { gint first_mark, last_mark; gint pos_x2, pos_y2; gint start_year, end_year, start_month, end_month; start_year = g_date_time_get_year (priv->start_mark_cell); end_year = g_date_time_get_year (priv->end_mark_cell); start_month = g_date_time_get_month (priv->start_mark_cell); end_month = g_date_time_get_month (priv->end_mark_cell); last_mark = real_cell (g_date_time_get_day_of_month (priv->end_mark_cell) + priv->days_delay - 1, priv->k); if (start_year == end_year && start_month == end_month) { first_mark = real_cell (g_date_time_get_day_of_month (priv->start_mark_cell) + priv->days_delay - 1, priv->k); } else { gint start_cell, end_cell; start_cell = priv->days_delay; end_cell = icaltime_days_in_month (end_month, end_year) + priv->days_delay - 1; if (start_year != end_year) first_mark = start_year < end_year ? real_cell (start_cell, priv->k) : real_cell(end_cell, priv->k); else first_mark = start_month < end_month ? real_cell (start_cell, priv->k) : real_cell (end_cell, priv->k); } if (first_mark > last_mark) { gint tmp = first_mark; first_mark = last_mark; last_mark = tmp; } /* Retrieve the selection color */ gtk_style_context_save (context); gtk_style_context_set_state (context, state | GTK_STATE_FLAG_SELECTED); gtk_style_context_get_color (context, state | GTK_STATE_FLAG_SELECTED, &color); gtk_style_context_restore (context); gdk_cairo_set_source_rgba (cr, &color); cairo_set_line_width (cr, LINE_WIDTH); if ((first_mark / 7) == (last_mark / 7)) { /* selection in 1 row with 1 rectangular outline */ gint row = first_mark / 7; gint first_column = first_mark % 7; gint last_column = last_mark % 7; pos_x = cell_width * (first_column); pos_x2 = cell_width * (last_column + 1); pos_y = cell_height * (row + first_row_gap) + start_grid_y; pos_y2 = cell_height * (row + 1.0 + first_row_gap) + start_grid_y; cairo_rectangle (cr, pos_x + (LINE_WIDTH / 2), pos_y + (LINE_WIDTH / 2), pos_x2 - pos_x + (LINE_WIDTH / 2), pos_y2 - pos_y + (LINE_WIDTH / 2)); } else if ((first_mark / 7) == ((last_mark / 7) - 1) && (first_mark % 7) > ((last_mark % 7) + 1)) { /* selection in 2 rows with 2 seperate rectangular outlines */ gint first_row = first_mark / 7; gint last_row = last_mark / 7; gint first_column = first_mark % 7; gint last_column = last_mark % 7; gdouble end; for (i = first_row; i <= last_row; i++) { if (i == first_row) { pos_x = cell_width * (first_column + priv->k); end = (alloc.width * (1 - priv->k)) - pos_x; } else if (i == last_row) { pos_x = cell_width * (last_column + 1 - priv->k); end = (alloc.width * priv->k) - pos_x; } else { pos_x = 0; end = alloc.width; } pos_y = cell_height * (i + first_row_gap) + start_grid_y; pos_y2 = cell_height * (i + 1.0 + first_row_gap) + start_grid_y; cairo_rectangle (cr, pos_x + (LINE_WIDTH / 2), pos_y + (LINE_WIDTH / 2), (gint)end + (LINE_WIDTH / 2), pos_y2 - pos_y + (LINE_WIDTH / 2)); } } else { /* multi-row selection with a single outline */ gint first_row = first_mark / 7; gint last_row = last_mark / 7; gint first_column = first_mark % 7; gint last_column = last_mark % 7; gdouble start_x = (cell_width * first_column) + (LINE_WIDTH / 2); gdouble start_y = (cell_height * (first_row + first_row_gap)) + start_grid_y + (LINE_WIDTH / 2); gdouble end_x = (cell_width * (last_column + 1.0)) + (LINE_WIDTH / 2); gdouble end_y = (cell_height * (last_row + first_row_gap + 1.0)) + start_grid_y + (LINE_WIDTH / 2); gdouble max_x = alloc.width - (LINE_WIDTH / 2); /* Draw the irregular shaped selection box starting from the * top-left corner of the start date (start_{x,y}) clock-wise * to the right-bottom corner of the end date (end_{x,y}) and * on finishing at the start date again. */ cairo_move_to (cr, start_x, start_y); cairo_line_to (cr, max_x, start_y); /* Skip intermediate drawing steps if end_{x,y} are at the * last column in the row, this makes sure we always draw the * outline within the visible drawing area. */ if (last_column == 6) { cairo_line_to (cr, max_x, end_y); } else { cairo_line_to (cr, max_x, end_y - cell_height); cairo_line_to (cr, end_x, end_y - cell_height); cairo_line_to (cr, end_x, end_y); } cairo_line_to (cr, (LINE_WIDTH / 2), end_y); cairo_line_to (cr, (LINE_WIDTH / 2), start_y + cell_height); cairo_line_to (cr, start_x, start_y + cell_height); cairo_line_to (cr, start_x, start_y); } cairo_stroke_preserve (cr); /* selection background fill */ cairo_set_source_rgba(cr, color.red, color.green, color.blue, 0.1); cairo_fill(cr); } /* Draw focus rectangle */ if (priv->keyboard_cell > priv->days_delay - 1) { gint localized_cell; gint x; gint y; localized_cell = real_cell (priv->keyboard_cell % 7, priv->k); x = cell_width * (localized_cell); y = cell_height * (priv->keyboard_cell / 7 + first_row_gap) + start_grid_y; gtk_render_focus (context, cr, x, y, cell_width, cell_height); } g_object_unref (layout); if (GTK_WIDGET_CLASS (gcal_month_view_parent_class)->draw != NULL) GTK_WIDGET_CLASS (gcal_month_view_parent_class)->draw (widget, cr); return FALSE; } static gboolean gcal_month_view_button_press (GtkWidget *widget, GdkEventButton *event) { GcalSubscriberViewPrivate *ppriv; GcalMonthViewPrivate *priv; gint days, clicked_cell; gboolean pressed_indicator = FALSE; priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (widget)); ppriv = GCAL_SUBSCRIBER_VIEW (widget)->priv; days = priv->days_delay + icaltime_days_in_month (priv->date->month, priv->date->year); clicked_cell = gather_button_event_data (GCAL_MONTH_VIEW (widget), event->x, event->y, &pressed_indicator, NULL, NULL); clicked_cell = real_cell (clicked_cell, priv->k); if (clicked_cell >= priv->days_delay && clicked_cell < days) { g_clear_pointer (&priv->start_mark_cell, g_date_time_unref); priv->keyboard_cell = clicked_cell; priv->start_mark_cell = g_date_time_new_local (priv->date->year, priv->date->month, priv->keyboard_cell - priv->days_delay + 1, 0, 0, 0); gtk_widget_queue_draw (widget); } if (pressed_indicator && g_hash_table_contains (ppriv->overflow_cells, GINT_TO_POINTER (clicked_cell))) priv->pressed_overflow_indicator = clicked_cell; return TRUE; } /** * gcal_month_view_motion_notify_event: * @widget: * @event: * * Update priv->end_cell_mark in order to update the drawing * belonging to the days involved in the event creation * * Returns: **/ static gboolean gcal_month_view_motion_notify_event (GtkWidget *widget, GdkEventMotion *event) { GcalMonthViewPrivate *priv; gint days; gint new_end_cell, new_hovered_cell; gboolean hovered_indicator = FALSE; priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (widget)); days = priv->days_delay + icaltime_days_in_month (priv->date->month, priv->date->year); new_end_cell = gather_button_event_data (GCAL_MONTH_VIEW (widget), event->x, event->y, &hovered_indicator, NULL, NULL); new_end_cell = real_cell (new_end_cell, priv->k); if (priv->start_mark_cell) { if (!(event->state & GDK_BUTTON_PRESS_MASK)) return TRUE; if (new_end_cell >= priv->days_delay && new_end_cell < days) { guint previous_end_cell; previous_end_cell = new_end_cell; /* Let the keyboard focus track the pointer */ priv->keyboard_cell = new_end_cell; /* * When there is a previously set end mark, it should be * cleared before assigning a new one. */ if (priv->end_mark_cell) { previous_end_cell = g_date_time_get_day_of_month (priv->end_mark_cell) - 1; g_clear_pointer (&priv->end_mark_cell, g_date_time_unref); } if (priv->start_mark_cell && priv->end_mark_cell && !g_date_time_equal (priv->start_mark_cell, priv->end_mark_cell)) { priv->hovered_overflow_indicator = -1; } if (previous_end_cell != new_end_cell) gtk_widget_queue_draw (widget); priv->end_mark_cell = g_date_time_new_local (priv->date->year, priv->date->month, new_end_cell - priv->days_delay + 1, 0, 0, 0); return TRUE; } } else { if (gtk_widget_is_visible (priv->overflow_popover)) return FALSE; if (hovered_indicator) new_hovered_cell = new_end_cell; else new_hovered_cell = -1; if (priv->hovered_overflow_indicator != new_hovered_cell) { priv->hovered_overflow_indicator = new_hovered_cell; gtk_widget_queue_draw (widget); return TRUE; } } return FALSE; } static gboolean gcal_month_view_button_release (GtkWidget *widget, GdkEventButton *event) { GcalMonthViewPrivate *priv; gdouble x, y; gint days, current_day; gboolean released_indicator = FALSE; priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (widget)); days = priv->days_delay + icaltime_days_in_month (priv->date->month, priv->date->year); current_day = gather_button_event_data (GCAL_MONTH_VIEW (widget), event->x, event->y, &released_indicator, &x, &y); current_day = real_cell (current_day, priv->k); if (current_day >= priv->days_delay && current_day < days) { g_clear_pointer (&priv->end_mark_cell, g_date_time_unref); priv->keyboard_cell = current_day; priv->end_mark_cell = g_date_time_new_local (priv->date->year, priv->date->month, current_day - priv->days_delay + 1, 0, 0, 0); return show_popover_for_position (GCAL_MONTH_VIEW (widget), x, y, released_indicator); } else { /* If the button is released over an invalid cell, entirely cancel the selection */ cancel_selection (GCAL_MONTH_VIEW (widget)); gtk_widget_queue_draw (widget); return FALSE; } } static void gcal_month_view_direction_changed (GtkWidget *widget, GtkTextDirection previous_direction) { GcalMonthViewPrivate *priv; priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (widget)); if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR) priv->k = 0; else if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL) priv->k = 1; } static guint gcal_month_view_get_child_cell (GcalSubscriberView *subscriber, GcalEventWidget *child) { GcalEvent *event; GDateTime *dt; gint cell; event = gcal_event_widget_get_event (child); dt = gcal_event_get_date_start (event); /* Don't adjust the date when the event is all day */ if (gcal_event_get_all_day (event)) { cell = g_date_time_get_day_of_month (dt); } else { dt = g_date_time_to_local (dt); cell = g_date_time_get_day_of_month (dt); g_clear_pointer (&dt, g_date_time_unref); } return cell; } static void gcal_month_view_clear_state (GcalSubscriberView *subscriber) { GcalMonthViewPrivate *priv; priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (subscriber)); cancel_selection (GCAL_MONTH_VIEW (subscriber)); priv->pressed_overflow_indicator = -1; gtk_widget_hide (priv->overflow_popover); } /* GcalView Interface API */ /** * gcal_month_view_get_initial_date: * * Since: 0.1 * Return value: the first day of the month * Returns: (transfer full): Release with g_free() **/ static icaltimetype* gcal_month_view_get_initial_date (GcalView *view) { //FIXME to retrieve the 35 days range GcalMonthViewPrivate *priv; icaltimetype *new_date; g_return_val_if_fail (GCAL_IS_MONTH_VIEW (view), NULL); priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (view)); new_date = gcal_dup_icaltime (priv->date); new_date->day = 1; new_date->is_date = 0; new_date->hour = 0; new_date->minute = 0; new_date->second = 0; return new_date; } /** * gcal_month_view_get_final_date: * * Since: 0.1 * Return value: the last day of the month * Returns: (transfer full): Release with g_free() **/ static icaltimetype* gcal_month_view_get_final_date (GcalView *view) { //FIXME to retrieve the 35 days range GcalMonthViewPrivate *priv; icaltimetype *new_date; g_return_val_if_fail (GCAL_IS_MONTH_VIEW (view), NULL); priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (view)); new_date = gcal_dup_icaltime (priv->date); new_date->day = icaltime_days_in_month (priv->date->month, priv->date->year); new_date->is_date = 0; new_date->hour = 23; new_date->minute = 59; new_date->second = 59; return new_date; } static void gcal_month_view_clear_marks (GcalView *view) { cancel_selection (GCAL_MONTH_VIEW (view)); gtk_widget_queue_draw (GTK_WIDGET (view)); } static GList* gcal_month_view_get_children_by_uuid (GcalView *view, const gchar *uuid) { GcalSubscriberViewPrivate *ppriv = GCAL_SUBSCRIBER_VIEW (view)->priv; GList *l; l = g_hash_table_lookup (ppriv->children, uuid); if (l != NULL) return g_list_reverse (g_list_copy (l)); return NULL; } /* Public API */ void gcal_month_view_set_current_date (GcalMonthView *month_view, icaltimetype *current_date) { GcalMonthViewPrivate *priv = gcal_month_view_get_instance_private (month_view); priv->current_date = current_date; gtk_widget_queue_draw (GTK_WIDGET (month_view)); } /** * gcal_month_view_set_first_weekday: * @view: A #GcalMonthView instance * @day_nr: Integer representing the first day of the week * * Set the first day of the week according to the locale, being * 0 for Sunday, 1 for Monday and so on. **/ void gcal_month_view_set_first_weekday (GcalMonthView *view, gint day_nr) { GcalMonthViewPrivate *priv = gcal_month_view_get_instance_private (view); priv->first_weekday = day_nr; /* update days_delay */ if (priv->date != NULL) priv->days_delay = (time_day_of_week (1, priv->date->month - 1, priv->date->year) - priv->first_weekday + 7) % 7; } /** * gcal_month_view_set_use_24h_format: * @view: * @use_24h: * * Whether the view will show time using 24h or 12h format **/ void gcal_month_view_set_use_24h_format (GcalMonthView *view, gboolean use_24h) { GcalMonthViewPrivate *priv; priv = gcal_month_view_get_instance_private (view); priv->use_24h_format = use_24h; } void gcal_month_view_set_manager (GcalMonthView *view, GcalManager *manager) { GcalMonthViewPrivate *priv = gcal_month_view_get_instance_private (view); priv->manager = manager; }