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year-view: initial GtkWidget::size_allocate impl

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This impl uses internals structures from GcalSubscriber
This commit is contained in:
Erick Pérez Castellanos
2015-01-05 10:33:24 -05:00
parent d9801d188b
commit c4bd918827
1 changed files with 273 additions and 5 deletions
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src/gcal-year-view.c
+273 -5
View File
@@ -28,6 +28,8 @@
typedef struct
{
/* overflow buttons */
GHashTable *internal_children;
GdkWindow *event_window;
@@ -54,6 +56,14 @@ enum
static void event_opened (GcalEventWidget *event_widget,
gpointer user_data);
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 gcal_view_interface_init (GcalViewIface *iface);
static void gcal_year_view_set_property (GObject *object,
@@ -130,6 +140,53 @@ event_opened (GcalEventWidget *event_widget,
event_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)
{
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
gcal_year_view_class_init (GcalYearViewClass *klass)
{
@@ -370,18 +427,229 @@ gcal_year_view_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GcalYearViewPrivate *priv;
GcalSubscriberPrivate *ppriv;
gint i, j, sw;
gint padding_bottom;
PangoLayout *layout;
PangoFontDescription *font_desc;
gint font_height;
gdouble cell_width, cell_height, vertical_cell_space;
gdouble pos_x, pos_y;
gdouble size_left [12];
const gchar *uuid;
GtkWidget *child_widget;
GtkAllocation child_allocation;
gint natural_height;
GList *widgets, *l, *aux, *l2 = NULL;
GHashTableIter iter;
gpointer key, value;
priv = gcal_year_view_get_instance_private (GCAL_YEAR_VIEW (widget));
ppriv = GCAL_SUBSCRIBER (widget)->priv;
/* 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_next ((GList*) aux->data);
for (; l != NULL; l = g_list_next (l))
l2 = g_list_append (l2, l->data);
}
g_list_free (widgets);
for (aux = l2; aux != NULL; aux = g_list_next (aux))
gtk_widget_destroy ((GtkWidget*) aux->data);
g_list_free (l2);
/* 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 (gtk_widget_get_style_context (widget), gtk_widget_get_state_flags (widget),
"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);
cell_width = allocation->width / 6.0;
cell_height = allocation->height / 2.0;
vertical_cell_space = cell_height - (padding_bottom + font_height);
for (i = 0; i < 12; i++)
size_left[i] = vertical_cell_space;
sw = 1 - 2 * priv->k;
/* allocate multimonth events */
for (l = ppriv->multi_cell_children; l != NULL; l = g_list_next (l))
{
gdk_window_move_resize (priv->event_window,
allocation->x,
allocation->y,
allocation->width,
allocation->height);
gint first_cell, last_cell, first_row, last_row, start, end;
gboolean visible;
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->year == priv->date->year)
j = date->month;
first_cell = 6 * ((j - 1) / 6) + 6 * priv->k + sw * ((j - 1) % 6) - (1 * priv->k);
j = 12;
date = gcal_event_widget_peek_end_date (GCAL_EVENT_WIDGET (child_widget));
if (date->year == priv->date->year)
j = date->month;
last_cell = 6 * ((j - 1) / 6) + 6 * priv->k + sw * ((j - 1) % 6) - (1 * priv->k);
/* FIXME missing mark widgets with continuos tags */
first_row = first_cell / 6;
last_row = last_cell / 6;
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 * 6 + priv->k * 5;
end = i * 6 + (1 - priv->k) * 5;
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 / 6;
gint column = cell_idx % 6;
pos_x = cell_width * column;
pos_y = cell_height * row;
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);
child_allocation.height = natural_height;
if (i != 0)
{
child_widget = gcal_event_widget_clone (GCAL_EVENT_WIDGET (child_widget));
//setup_child (child_widget, widget);
gtk_widget_set_parent (child_widget, widget); /* FIXME */
gtk_widget_show (child_widget);
aux = g_hash_table_lookup (ppriv->children, uuid);
aux = g_list_append (aux, child_widget);
}
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;
}
}
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);
i = 6 * ((j - 1) / 6) + 6 * priv->k + sw * ((j - 1) % 6) - (1 * priv->k);
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)
{
pos_x = cell_width * (i % 6);
pos_y = cell_height * (i / 6);
child_allocation.x = pos_x;
child_allocation.y = pos_y + vertical_cell_space - size_left[i];
child_allocation.width = cell_width;
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;
}
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));
}
}
}
/* FIXME: remove on Gtk+ 3.15.4 release */
if (g_hash_table_size (ppriv->overflow_cells) != 0)
gtk_widget_queue_draw_area (widget, allocation->x, allocation->y, allocation->width, allocation->height);
}
static gboolean