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7b28416361328c9b8611fcb0cec32fc1b6080bd0
federated-calendar/src/gcal-month-view.c
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Georges Basile Stavracas Neto 7b28416361 month-view: make lines stronger 
The current lines are very light and people
with visual issues may not find them easy.

To fix that, make these lines slightly stronger,
enough to make them clearly visible.

https://bugzilla.gnome.org/show_bug.cgi?id=758679
2016-01-12 17:00:07 -02:00

1953 lines
65 KiB
C
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/* -*- 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 <http://www.gnu.org/licenses/>.
*/
#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 <glib/gi18n.h>
#include <math.h>
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;
/**
* button_down/up flag
* These keeps the cell index, meaning 0 for left top, 1 for the next in the row from left to right, etc.
* Note that this does not take into account the disabled row before the first active row.
*/
gint start_mark_cell;
gint 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;
/* property */
icaltimetype *date;
} 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_view_interface_init (GcalViewIface *iface);
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 gboolean gcal_month_view_is_child_multiday (GcalSubscriberView *subscriber,
GcalEventWidget *child);
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);
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
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;
gint start_day, end_day;
icaltimetype *start_date;
icaltimetype *end_date = NULL;
widget = GTK_WIDGET (view);
priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (widget));
ppriv = GCAL_SUBSCRIBER_VIEW (widget)->priv;
if (priv->start_mark_cell < 0)
return FALSE;
start_day = priv->start_mark_cell - priv->days_delay + 1;
end_day = priv->end_mark_cell - priv->days_delay + 1;
if (priv->pressed_overflow_indicator != -1 && priv->start_mark_cell == priv->end_mark_cell &&
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), end_day);
gtk_widget_show_all (priv->overflow_popover);
gtk_widget_queue_draw (widget);
priv->pressed_overflow_indicator = -1;
priv->start_mark_cell = -1;
priv->end_mark_cell = -1;
return TRUE;
}
else
{
start_date = gcal_dup_icaltime (priv->date);
start_date->day = start_day;
start_date->is_date = 1;
end_date = gcal_dup_icaltime (priv->date);
end_date->day = end_day;
end_date->is_date = 1;
if (start_date->day > end_date->day)
{
gint day = start_date->day;
start_date->day = end_date->day;
end_date->day = day;
}
end_date->day += 1;
g_signal_emit_by_name (GCAL_VIEW (widget), "create-event", start_date, end_date, x, y);
g_free (start_date);
g_free (end_date);
}
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;
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, 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 < 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;
icaltimetype date, second_date;
const icaltimetype *dt_start, *dt_end;
gint start_comparison, end_comparison;
/* 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;
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));
if (l != NULL)
{
date = *(priv->date);
date.day = day;
second_date = date;
date.hour = 0;
date.minute = 0;
second_date.hour = 23;
second_date.minute =59;
}
for (; l != NULL; l = g_list_next (l))
{
child_widget = gcal_event_widget_clone (GCAL_EVENT_WIDGET (l->data));
gtk_container_add (GTK_CONTAINER (priv->events_list_box), child_widget);
_gcal_subscriber_view_setup_child (GCAL_SUBSCRIBER_VIEW (view), child_widget);
dt_start = gcal_event_widget_peek_start_date (GCAL_EVENT_WIDGET (child_widget));
dt_end = gcal_event_widget_peek_end_date (GCAL_EVENT_WIDGET (child_widget));
date.is_date = dt_start->is_date;
start_comparison = icaltime_compare (*dt_start, date);
end_comparison = icaltime_compare (second_date, *dt_end);
if (start_comparison == -1 && end_comparison == -1)
gtk_style_context_add_class (gtk_widget_get_style_context (child_widget), "slanted");
else if (start_comparison == -1)
gtk_style_context_add_class (gtk_widget_get_style_context (child_widget), "slanted-start");
else if (end_comparison == -1)
gtk_style_context_add_class (gtk_widget_get_style_context (child_widget), "slanted-end");
}
/* 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;
const icaltimetype *row_date, *before_date = NULL;
priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (user_data));
row_child = gtk_bin_get_child (GTK_BIN (row));
row_date = gcal_event_widget_peek_start_date (GCAL_EVENT_WIDGET (row_child));
if (before != NULL)
{
before_child = gtk_bin_get_child (GTK_BIN (before));
before_date = gcal_event_widget_peek_start_date (GCAL_EVENT_WIDGET (before_child));
}
if (!gcal_event_widget_is_multiday (GCAL_EVENT_WIDGET (row_child)) &&
!gcal_event_widget_get_all_day (GCAL_EVENT_WIDGET (row_child)) &&
(before_date == NULL || before_date->hour != row_date->hour))
{
gchar *time;
GtkWidget *label, *vbox;
if (priv->use_24h_format)
time = g_strdup_printf ("%.2d:00", row_date->hour);
else
time = g_strdup_printf ("%.2d:00 %s", row_date->hour % 12, row_date->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);
}
}
static gboolean
gcal_month_view_key_press (GtkWidget *widget,
GdkEventKey *event)
{
GcalMonthViewPrivate *priv;
gboolean selection, valid_key;
gdouble x, y;
gint min, max, diff;
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;
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 == -1)
{
priv->start_mark_cell = priv->keyboard_cell;
}
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 == -1 && priv->end_mark_cell == -1)
priv->start_mark_cell = priv->end_mark_cell = priv->keyboard_cell;
get_cell_position (GCAL_MONTH_VIEW (widget), real_cell (priv->end_mark_cell, priv->k), &x, &y);
show_popover_for_position (GCAL_MONTH_VIEW (widget), x, y, FALSE);
break;
case GDK_KEY_Escape:
priv->start_mark_cell = priv->end_mark_cell = -1;
break;
default:
return FALSE;
}
if (priv->keyboard_cell + diff <= max && priv->keyboard_cell + diff >= min)
{
priv->keyboard_cell += diff;
}
if (selection)
{
priv->end_mark_cell = priv->keyboard_cell;
}
else if (!selection && valid_key)
{
/* Cancel selection if SHIFT is not pressed */
priv->start_mark_cell = priv->end_mark_cell = -1;
}
gtk_widget_queue_draw (widget);
return TRUE;
}
static void
add_new_event_button_cb (GtkWidget *button,
gpointer user_data)
{
GcalMonthViewPrivate *priv;
gint day;
icaltimetype *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 = gcal_dup_icaltime (priv->date);
start_date->day = day;
start_date->is_date = 1;
g_signal_emit_by_name (GCAL_VIEW (user_data), "create-event-detailed", start_date, NULL);
g_free (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;
subscriber_view_class = GCAL_SUBSCRIBER_VIEW_CLASS (klass);
subscriber_view_class->is_child_multicell = gcal_month_view_is_child_multiday;
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);
priv->start_mark_cell = -1;
priv->end_mark_cell = -1;
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);
}
static void
gcal_view_interface_init (GcalViewIface *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)
{
GcalMonthViewPrivate *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->start_mark_cell = -1;
priv->end_mark_cell = -1;
gtk_widget_queue_draw (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;
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;
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);
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 + 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 */
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, start_before = TRUE, end_after = TRUE;
const icaltimetype *date;
GArray *cells, *lengths;
child_widget = (GtkWidget*) l->data;
uuid = gcal_event_widget_peek_uuid (GCAL_EVENT_WIDGET (child_widget));
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);
j = 1;
date = gcal_event_widget_peek_start_date (GCAL_EVENT_WIDGET (child_widget));
if (date->month == priv->date->month)
{
j = date->day;
start_before = FALSE;
}
j += priv->days_delay;
first_cell = 7 * ((j - 1) / 7)+ 6 * priv->k + sw * ((j - 1) % 7);
j = icaltime_days_in_month (priv->date->month, priv->date->year);
date = gcal_event_widget_peek_end_date (GCAL_EVENT_WIDGET (child_widget));
if (gcal_event_widget_get_all_day (GCAL_EVENT_WIDGET (child_widget)))
{
if (date->month == priv->date->month)
{
j = date->day - 1;
end_after = FALSE;
}
}
else
{
if (date->month == priv->date->month)
{
j = date->day;
end_after = FALSE;
}
}
j += priv->days_delay;
last_cell = 7 * ((j - 1) / 7)+ 6 * priv->k + sw * ((j - 1) % 7);
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++)
{
gint cell_idx = g_array_index (cells, gint, i);
gint row = cell_idx / 7;
gint column = cell_idx % 7;
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);
if (i != cells->len - 1 || end_after)
gtk_style_context_add_class (gtk_widget_get_style_context (child_widget), "slanted");
else
gtk_style_context_add_class (gtk_widget_get_style_context (child_widget), "slanted-start");
aux = g_hash_table_lookup (ppriv->children, uuid);
aux = g_list_append (aux, child_widget);
}
else if (i == 0 && cells->len == 1)
{
if (start_before)
gtk_style_context_add_class (gtk_widget_get_style_context (child_widget), "slanted-start");
if (end_after)
gtk_style_context_add_class (gtk_widget_get_style_context (child_widget), "slanted-end");
}
else if (i != cells->len - 1)
{
if (start_before)
gtk_style_context_add_class (gtk_widget_get_style_context (child_widget), "slanted");
else
gtk_style_context_add_class (gtk_widget_get_style_context (child_widget), "slanted-end");
}
gtk_style_context_get_margin (gtk_widget_get_style_context (child_widget),
gtk_style_context_get_state (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 * g_array_index (lengths, gint, i) - (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 < g_array_index (lengths, gint, i); j++)
size_left[cell_idx + j] -= natural_height + margin.top + margin.bottom;
}
}
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);
}
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))
{
child_widget = (GtkWidget*) aux->data;
uuid = gcal_event_widget_peek_uuid (GCAL_EVENT_WIDGET (child_widget));
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)
{
gtk_style_context_get_margin (gtk_widget_get_style_context (child_widget),
gtk_style_context_get_state (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;
gdouble start_grid_y, cell_width, cell_height, 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 > -1 && priv->end_mark_cell > -1)
{
lower_mark = priv->start_mark_cell - priv->days_delay + 1;
upper_mark = priv->end_mark_cell - priv->days_delay + 1;
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);
/* 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, 0.5);
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 + 0.4, 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 + 0.4);
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 + 0.4);
cairo_rel_line_to (cr, alloc.width, 0);
}
cairo_stroke (cr);
gtk_style_context_restore (context);
/* selection borders */
if (priv->start_mark_cell != -1 && priv->end_mark_cell != -1)
{
gint first_mark, last_mark;
gint pos_x2, pos_y2;
first_mark = real_cell (priv->start_mark_cell, priv->k);
last_mark = real_cell (priv->end_mark_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, 0.4);
/* horizontals */
if ((first_mark / 7) == (last_mark / 7))
{
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 + 0.3, pos_y + 0.3, pos_x2 - pos_x + 0.6, pos_y2 - pos_y + 0.6);
}
else
{
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 + 0.3, pos_y + 0.3, ((gint)end) + 0.6, pos_y2 - pos_y + 0.6);
}
}
cairo_stroke (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)
{
priv->start_mark_cell = clicked_cell;
priv->keyboard_cell = clicked_cell;
}
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 != -1)
{
if (!(event->state & GDK_BUTTON_PRESS_MASK))
return TRUE;
if (new_end_cell >= priv->days_delay && new_end_cell < days)
{
priv->keyboard_cell = new_end_cell;
if (priv->end_mark_cell != priv->start_mark_cell)
priv->hovered_overflow_indicator = -1;
if (priv->end_mark_cell != new_end_cell)
gtk_widget_queue_draw (widget);
priv->end_mark_cell = new_end_cell;
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;
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);
priv->end_mark_cell = gather_button_event_data (GCAL_MONTH_VIEW (widget), event->x, event->y, &released_indicator, &x, &y);
priv->end_mark_cell = real_cell (priv->end_mark_cell, priv->k);
if (priv->end_mark_cell >= priv->days_delay && priv->end_mark_cell < days)
{
priv->keyboard_cell = priv->end_mark_cell;
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 */
priv->start_mark_cell = priv->end_mark_cell = -1;
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 gboolean
gcal_month_view_is_child_multiday (GcalSubscriberView *subscriber,
GcalEventWidget *child)
{
return gcal_event_widget_is_multiday (child);
}
static guint
gcal_month_view_get_child_cell (GcalSubscriberView *subscriber,
GcalEventWidget *child)
{
const icaltimetype *dt_start = gcal_event_widget_peek_start_date (child);
return dt_start->day;
}
static void
gcal_month_view_clear_state (GcalSubscriberView *subscriber)
{
GcalMonthViewPrivate *priv;
priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (subscriber));
priv->start_mark_cell = -1;
priv->end_mark_cell = -1;
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 = 0;
return new_date;
}
static void
gcal_month_view_clear_marks (GcalView *view)
{
GcalMonthViewPrivate *priv;
priv = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (view));
priv->start_mark_cell = -1;
priv->end_mark_cell = -1;
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;
}
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