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widget-factory: Add a color editor example

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This commit is contained in:
Matthias Clasen 2016-01-23 22:30:59 -05:00
parent a80b555274
commit 873a024f5b
2 changed files with 40 additions and 5 deletions
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40
demos/widget-factory/widget-factory.c
View File

@ -786,10 +786,39 @@ overshot (GtkScrolledWindow *sw, GtkPositionType pos, GtkWidget *widget)
row = gtk_widget_get_parent (row);
gtk_list_box_row_set_activatable (GTK_LIST_BOX_ROW (row), FALSE);
g_object_set_data (G_OBJECT (widget), color, row);
g_object_set_data (G_OBJECT (row), "color", (gpointer)color);
}
static void
populate_colors (GtkWidget *widget)
rgba_changed (GtkColorChooser *chooser, GParamSpec *pspec, GtkListBox *box)
{
gtk_list_box_select_row (box, NULL);
}
static void
set_color (GtkListBox *box, GtkListBoxRow *row, GtkColorChooser *chooser)
{
const char *color;
GdkRGBA rgba;
if (!row)
return;
color = (const char *)g_object_get_data (G_OBJECT (row), "color");
if (!color)
return;
if (gdk_rgba_parse (&rgba, color))
{
g_signal_handlers_block_by_func (chooser, rgba_changed, box);
gtk_color_chooser_set_rgba (chooser, &rgba);
g_signal_handlers_unblock_by_func (chooser, rgba_changed, box);
}
}
static void
populate_colors (GtkWidget *widget, GtkWidget *chooser)
{
struct { const gchar *name; const gchar *color; const gchar *title; } colors[] = {
{ "2.5", "#C8828C", "Red" },
@ -867,10 +896,13 @@ populate_colors (GtkWidget *widget)
gtk_list_box_insert (GTK_LIST_BOX (widget), row, -1);
row = gtk_widget_get_parent (row);
gtk_list_box_row_set_activatable (GTK_LIST_BOX_ROW (row), FALSE);
g_object_set_data (G_OBJECT (row), "color", (gpointer)colors[i].color);
if (colors[i].title)
g_object_set_data (G_OBJECT (row), "title", (gpointer)colors[i].title);
}
g_signal_connect (widget, "row-selected", G_CALLBACK (set_color), chooser);
gtk_list_box_invalidate_headers (GTK_LIST_BOX (widget));
sw = gtk_widget_get_ancestor (widget, GTK_TYPE_SCROLLED_WINDOW);
@ -1626,7 +1658,11 @@ activate (GApplication *app)
gtk_tree_view_set_row_separator_func (GTK_TREE_VIEW (widget), row_separator_func, NULL, NULL);
gtk_tree_view_expand_all (GTK_TREE_VIEW (widget));
populate_colors ((GtkWidget *)gtk_builder_get_object (builder, "munsell"));
widget = GTK_WIDGET (gtk_builder_get_object (builder, "munsell"));
widget2 = GTK_WIDGET (gtk_builder_get_object (builder, "cchooser"));
populate_colors (widget, widget2);
g_signal_connect (widget2, "notify::rgba", G_CALLBACK (rgba_changed), widget);
widget = (GtkWidget *)gtk_builder_get_object (builder, "page_combo");
gtk_combo_box_set_row_separator_func (GTK_COMBO_BOX (widget), page_combo_separator_func, NULL, NULL);

5
demos/widget-factory/widget-factory.ui
View File

@ -3769,10 +3769,9 @@ microphone-sensitivity-medium-symbolic</property>
</object>
</child>
<child>
<object class="GtkSpinner">
<object class="GtkColorChooserWidget" id="cchooser">
<property name="visible">1</property>
<property name="active">1</property>
<property name="expand">1</property>
<property name="show-editor">1</property>
</object>
</child>
</object>