forked from AuroraMiddleware/gtk
gtk-demo: Add a large grid demo
This is similar to the flowbox demo, but much bigger.
This commit is contained in:
Matthias Clasen
parent
b331e29e43
commit
336b30c532
9344
demos/gtk-demo/color.names.txt
Normal file
9344
demos/gtk-demo/color.names.txt
Normal file
File diff suppressed because it is too large
Load Diff
@ -138,6 +138,9 @@
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<gresource prefix="/listview_weather">
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<file compressed="true">listview_weather.txt</file>
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</gresource>
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<gresource prefix="/listview_colors">
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<file compressed="true">color.names.txt</file>
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</gresource>
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<gresource prefix="/shortcuts">
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<file>shortcuts.ui</file>
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<file>shortcuts-builder.ui</file>
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@ -216,6 +219,7 @@
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<file>links.c</file>
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<file>listbox.c</file>
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<file>listview_applauncher.c</file>
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<file>listview_colors.c</file>
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<file>listview_clocks.c</file>
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<file>listview_filebrowser.c</file>
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<file>listview_minesweeper.c</file>
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572
demos/gtk-demo/listview_colors.c
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572
demos/gtk-demo/listview_colors.c
Normal file
@ -0,0 +1,572 @@
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/* Lists/Colors
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*
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* This demo displays a list of named colors.
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*
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* It is using a GtkGridView, and shows how to display
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* and sort the data in various ways. The controls for
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* this are implemented using GtkDropDown.
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*
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* The dataset used here has 9283 items.
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*/
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#include <gtk/gtk.h>
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#define GTK_TYPE_COLOR (gtk_color_get_type ())
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G_DECLARE_FINAL_TYPE (GtkColor, gtk_color, GTK, COLOR, GObject)
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/* This is our object. It's just a color */
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typedef struct _GtkColor GtkColor;
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struct _GtkColor
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{
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GObject parent_instance;
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char *name;
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GdkRGBA *color;
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int h, s, v;
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};
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enum {
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PROP_0,
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PROP_NAME,
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PROP_COLOR,
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PROP_RED,
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PROP_GREEN,
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PROP_BLUE,
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PROP_HUE,
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PROP_SATURATION,
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PROP_VALUE,
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N_PROPS
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};
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static void
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gtk_color_snapshot (GdkPaintable *paintable,
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GdkSnapshot *snapshot,
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double width,
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double height)
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{
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GtkColor *self = GTK_COLOR (paintable);
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gtk_snapshot_append_color (snapshot, self->color, &GRAPHENE_RECT_INIT (0, 0, width, height));
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}
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static int
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gtk_color_get_intrinsic_width (GdkPaintable *paintable)
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{
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return 32;
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}
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static int
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gtk_color_get_intrinsic_height (GdkPaintable *paintable)
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{
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return 32;
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}
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static void
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gtk_color_paintable_init (GdkPaintableInterface *iface)
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{
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iface->snapshot = gtk_color_snapshot;
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iface->get_intrinsic_width = gtk_color_get_intrinsic_width;
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iface->get_intrinsic_height = gtk_color_get_intrinsic_height;
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}
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/*
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* Finally, we define the type. The important part is adding the paintable
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* interface, so GTK knows that this object can indeed be drawm.
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*/
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G_DEFINE_TYPE_WITH_CODE (GtkColor, gtk_color, G_TYPE_OBJECT,
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G_IMPLEMENT_INTERFACE (GDK_TYPE_PAINTABLE,
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gtk_color_paintable_init))
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static GParamSpec *properties[N_PROPS] = { NULL, };
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static void
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gtk_color_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GtkColor *self = GTK_COLOR (object);
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switch (property_id)
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{
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case PROP_NAME:
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g_value_set_string (value, self->name);
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break;
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case PROP_COLOR:
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g_value_set_boxed (value, self->color);
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break;
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case PROP_RED:
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g_value_set_float (value, self->color->red);
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break;
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case PROP_GREEN:
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g_value_set_float (value, self->color->green);
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break;
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case PROP_BLUE:
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g_value_set_float (value, self->color->blue);
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break;
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case PROP_HUE:
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g_value_set_int (value, self->h);
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break;
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case PROP_SATURATION:
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g_value_set_int (value, self->s);
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break;
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case PROP_VALUE:
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g_value_set_int (value, self->v);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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gtk_color_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GtkColor *self = GTK_COLOR (object);
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switch (property_id)
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{
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case PROP_NAME:
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self->name = g_value_dup_string (value);
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break;
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case PROP_COLOR:
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self->color = g_value_dup_boxed (value);
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break;
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case PROP_HUE:
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self->h = g_value_get_int (value);
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break;
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case PROP_SATURATION:
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self->s = g_value_get_int (value);
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break;
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case PROP_VALUE:
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self->v = g_value_get_int (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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gtk_color_finalize (GObject *object)
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{
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GtkColor *self = GTK_COLOR (object);
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g_free (self->name);
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g_clear_pointer (&self->color, gdk_rgba_free);
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G_OBJECT_CLASS (gtk_color_parent_class)->finalize (object);
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}
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static void
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gtk_color_class_init (GtkColorClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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gobject_class->get_property = gtk_color_get_property;
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gobject_class->set_property = gtk_color_set_property;
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gobject_class->finalize = gtk_color_finalize;
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properties[PROP_NAME] =
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g_param_spec_string ("name", NULL, NULL, NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
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properties[PROP_COLOR] =
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g_param_spec_boxed ("color", NULL, NULL, GDK_TYPE_RGBA, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
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properties[PROP_RED] =
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g_param_spec_float ("red", NULL, NULL, 0, 1, 0, G_PARAM_READABLE);
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properties[PROP_GREEN] =
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g_param_spec_float ("green", NULL, NULL, 0, 1, 0, G_PARAM_READABLE);
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properties[PROP_BLUE] =
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g_param_spec_float ("blue", NULL, NULL, 0, 1, 0, G_PARAM_READABLE);
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properties[PROP_HUE] =
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g_param_spec_int ("hue", NULL, NULL, 0, 360, 0, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
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properties[PROP_SATURATION] =
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g_param_spec_int ("saturation", NULL, NULL, 0, 100, 0, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
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properties[PROP_VALUE] =
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g_param_spec_int ("value", NULL, NULL, 0, 100, 0, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
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g_object_class_install_properties (gobject_class, N_PROPS, properties);
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}
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static void
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gtk_color_init (GtkColor *self)
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{
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}
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static GtkColor *
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gtk_color_new (const char *name,
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float r, float g, float b,
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int h, int s, int v)
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{
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GtkColor *result;
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GdkRGBA color = { r, g, b, 1.0 };
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result = g_object_new (GTK_TYPE_COLOR,
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"name", name,
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"color", &color,
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"hue", h,
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"saturation", s,
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"value", v,
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NULL);
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return result;
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}
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static GListModel *
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create_colors_model (void)
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{
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GListStore *result;
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GtkColor *color;
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GBytes *data;
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char **lines;
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guint i;
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result = g_list_store_new (GTK_TYPE_COLOR);
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data = g_resources_lookup_data ("/listview_colors/color.names.txt", 0, NULL);
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lines = g_strsplit (g_bytes_get_data (data, NULL), "\n", 0);
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for (i = 0; lines[i]; i++)
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{
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const char *name;
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char **fields;
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int red, green, blue;
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int h, s, v;
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if (lines[i][0] == '#' || lines[i][0] == '\0')
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continue;
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fields = g_strsplit (lines[i], " ", 0);
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name = fields[1];
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red = atoi (fields[3]);
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green = atoi (fields[4]);
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blue = atoi (fields[5]);
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h = atoi (fields[9]);
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s = atoi (fields[10]);
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v = atoi (fields[11]);
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color = gtk_color_new (name, red / 255., green / 255., blue / 255., h, s, v);
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g_list_store_append (result, color);
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g_object_unref (color);
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g_strfreev (fields);
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}
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g_strfreev (lines);
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g_bytes_unref (data);
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return G_LIST_MODEL (result);
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}
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static char *
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get_rgb_markup (gpointer this,
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GtkColor *color)
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{
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if (!color)
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return NULL;
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return g_strdup_printf ("<b>R:</b> %d <b>G:</b> %d <b>B:</b> %d",
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(int)(color->color->red * 255),
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(int)(color->color->green * 255),
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(int)(color->color->blue * 255));
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}
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static char *
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get_hsv_markup (gpointer this,
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GtkColor *color)
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{
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if (!color)
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return NULL;
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return g_strdup_printf ("<b>H:</b> %d <b>S:</b> %d <b>V:</b> %d",
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color->h,
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color->s,
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color->v);
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}
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static void
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setup_simple_listitem_cb (GtkListItemFactory *factory,
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GtkListItem *list_item)
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{
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GtkWidget *picture;
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GtkExpression *color_expression, *expression;
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expression = gtk_constant_expression_new (GTK_TYPE_LIST_ITEM, list_item);
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color_expression = gtk_property_expression_new (GTK_TYPE_LIST_ITEM, expression, "item");
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picture = gtk_picture_new ();
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gtk_expression_bind (color_expression, picture, "paintable", NULL);
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gtk_list_item_set_child (list_item, picture);
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}
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static void
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setup_listitem_cb (GtkListItemFactory *factory,
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GtkListItem *list_item)
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{
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GtkWidget *box, *picture, *name_label, *rgb_label, *hsv_label;;
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GtkExpression *color_expression, *expression;
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GtkExpression *params[1];
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box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
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gtk_list_item_set_child (list_item, box);
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expression = gtk_constant_expression_new (GTK_TYPE_LIST_ITEM, list_item);
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color_expression = gtk_property_expression_new (GTK_TYPE_LIST_ITEM, expression, "item");
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expression = gtk_property_expression_new (GTK_TYPE_COLOR,
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gtk_expression_ref (color_expression),
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"name");
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name_label = gtk_label_new (NULL);
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gtk_expression_bind (expression, name_label, "label", NULL);
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gtk_box_append (GTK_BOX (box), name_label);
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expression = gtk_expression_ref (color_expression);
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picture = gtk_picture_new ();
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gtk_expression_bind (expression, picture, "paintable", NULL);
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gtk_box_append (GTK_BOX (box), picture);
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params[0] = gtk_expression_ref (color_expression);
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expression = gtk_cclosure_expression_new (G_TYPE_STRING,
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NULL,
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1, params,
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(GCallback)get_rgb_markup,
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NULL, NULL);
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rgb_label = gtk_label_new (NULL);
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gtk_label_set_use_markup (GTK_LABEL (rgb_label), TRUE);
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gtk_expression_bind (expression, rgb_label, "label", NULL);
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gtk_box_append (GTK_BOX (box), rgb_label);
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params[0] = gtk_expression_ref (color_expression);
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expression = gtk_cclosure_expression_new (G_TYPE_STRING,
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NULL,
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1, params,
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(GCallback)get_hsv_markup,
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NULL, NULL);
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hsv_label = gtk_label_new (NULL);
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gtk_label_set_use_markup (GTK_LABEL (hsv_label), TRUE);
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gtk_expression_bind (expression, hsv_label, "label", NULL);
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gtk_box_append (GTK_BOX (box), hsv_label);
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gtk_expression_unref (color_expression);
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}
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static void
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set_title (gpointer item,
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const char *title)
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{
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g_object_set_data (G_OBJECT (item), "title", (gpointer)title);
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}
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static char *
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get_title (gpointer item)
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{
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return g_strdup ((char *)g_object_get_data (G_OBJECT (item), "title"));
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}
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static gboolean
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set_item (GBinding *binding,
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const GValue *from,
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GValue *to,
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gpointer data)
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{
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GObject *source = g_binding_get_source (binding);
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GListModel *model;
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guint selected;
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gpointer item;
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selected = g_value_get_uint (from);
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model = gtk_drop_down_get_model (GTK_DROP_DOWN (source));
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item = g_list_model_get_item (model, selected);
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g_value_set_object (to, item);
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g_clear_object (&item);
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return TRUE;
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}
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static GtkWidget *window = NULL;
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GtkWidget *
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do_listview_colors (GtkWidget *do_widget)
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{
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if (window == NULL)
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{
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GtkWidget *header, *gridview, *sw, *box, *dropdown;
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GtkListItemFactory *factory;
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GListStore *factories;
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GListModel *model;
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GtkNoSelection *selection;
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GtkSorter *sorter;
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GtkSorter *multi_sorter;
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GListStore *sorters;
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GtkExpression *expression;
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window = gtk_window_new ();
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gtk_window_set_title (GTK_WINDOW (window), "Colors");
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header = gtk_header_bar_new ();
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gtk_header_bar_set_show_title_buttons (GTK_HEADER_BAR (header), TRUE);
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gtk_window_set_titlebar (GTK_WINDOW (window), header);
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gtk_window_set_default_size (GTK_WINDOW (window), 600, 400);
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gtk_window_set_display (GTK_WINDOW (window),
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gtk_widget_get_display (do_widget));
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g_object_add_weak_pointer (G_OBJECT (window), (gpointer*)&window);
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sw = gtk_scrolled_window_new (NULL, NULL);
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gtk_window_set_child (GTK_WINDOW (window), sw);
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gridview = gtk_grid_view_new ();
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gtk_scrollable_set_hscroll_policy (GTK_SCROLLABLE (gridview), GTK_SCROLL_NATURAL);
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gtk_scrollable_set_vscroll_policy (GTK_SCROLLABLE (gridview), GTK_SCROLL_NATURAL);
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gtk_grid_view_set_max_columns (GTK_GRID_VIEW (gridview), 24);
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model = G_LIST_MODEL (gtk_sort_list_model_new (create_colors_model (), NULL));
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selection = gtk_no_selection_new (model);
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gtk_grid_view_set_model (GTK_GRID_VIEW (gridview), G_LIST_MODEL (selection));
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gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), gridview);
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g_object_unref (selection);
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sorters = g_list_store_new (GTK_TYPE_SORTER);
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sorter = gtk_string_sorter_new (gtk_property_expression_new (GTK_TYPE_COLOR, NULL, "name"));
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set_title (sorter, "Name");
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g_list_store_append (sorters, sorter);
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g_object_unref (sorter);
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multi_sorter = gtk_multi_sorter_new ();
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|
||||
sorter = gtk_numeric_sorter_new (gtk_property_expression_new (GTK_TYPE_COLOR, NULL, "red"));
|
||||
gtk_numeric_sorter_set_sort_order (GTK_NUMERIC_SORTER (sorter), GTK_SORT_DESCENDING);
|
||||
set_title (sorter, "Red");
|
||||
g_list_store_append (sorters, sorter);
|
||||
gtk_multi_sorter_append (GTK_MULTI_SORTER (multi_sorter), sorter);
|
||||
|
||||
sorter = gtk_numeric_sorter_new (gtk_property_expression_new (GTK_TYPE_COLOR, NULL, "green"));
|
||||
gtk_numeric_sorter_set_sort_order (GTK_NUMERIC_SORTER (sorter), GTK_SORT_DESCENDING);
|
||||
set_title (sorter, "Green");
|
||||
g_list_store_append (sorters, sorter);
|
||||
gtk_multi_sorter_append (GTK_MULTI_SORTER (multi_sorter), sorter);
|
||||
|
||||
sorter = gtk_numeric_sorter_new (gtk_property_expression_new (GTK_TYPE_COLOR, NULL, "blue"));
|
||||
gtk_numeric_sorter_set_sort_order (GTK_NUMERIC_SORTER (sorter), GTK_SORT_DESCENDING);
|
||||
set_title (sorter, "Blue");
|
||||
g_list_store_append (sorters, sorter);
|
||||
gtk_multi_sorter_append (GTK_MULTI_SORTER (multi_sorter), sorter);
|
||||
|
||||
set_title (multi_sorter, "RGB");
|
||||
g_list_store_append (sorters, multi_sorter);
|
||||
g_object_unref (multi_sorter);
|
||||
|
||||
multi_sorter = gtk_multi_sorter_new ();
|
||||
|
||||
sorter = gtk_numeric_sorter_new (gtk_property_expression_new (GTK_TYPE_COLOR, NULL, "hue"));
|
||||
gtk_numeric_sorter_set_sort_order (GTK_NUMERIC_SORTER (sorter), GTK_SORT_DESCENDING);
|
||||
set_title (sorter, "Hue");
|
||||
g_list_store_append (sorters, sorter);
|
||||
gtk_multi_sorter_append (GTK_MULTI_SORTER (multi_sorter), sorter);
|
||||
|
||||
sorter = gtk_numeric_sorter_new (gtk_property_expression_new (GTK_TYPE_COLOR, NULL, "saturation"));
|
||||
gtk_numeric_sorter_set_sort_order (GTK_NUMERIC_SORTER (sorter), GTK_SORT_DESCENDING);
|
||||
set_title (sorter, "Saturation");
|
||||
g_list_store_append (sorters, sorter);
|
||||
gtk_multi_sorter_append (GTK_MULTI_SORTER (multi_sorter), sorter);
|
||||
|
||||
sorter = gtk_numeric_sorter_new (gtk_property_expression_new (GTK_TYPE_COLOR, NULL, "value"));
|
||||
gtk_numeric_sorter_set_sort_order (GTK_NUMERIC_SORTER (sorter), GTK_SORT_DESCENDING);
|
||||
set_title (sorter, "Value");
|
||||
g_list_store_append (sorters, sorter);
|
||||
gtk_multi_sorter_append (GTK_MULTI_SORTER (multi_sorter), sorter);
|
||||
|
||||
set_title (multi_sorter, "HSV");
|
||||
g_list_store_append (sorters, multi_sorter);
|
||||
g_object_unref (multi_sorter);
|
||||
|
||||
dropdown = gtk_drop_down_new ();
|
||||
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
|
||||
gtk_box_append (GTK_BOX (box), gtk_label_new ("Sort by:"));
|
||||
gtk_box_append (GTK_BOX (box), dropdown);
|
||||
gtk_header_bar_pack_end (GTK_HEADER_BAR (header), box);
|
||||
|
||||
expression = gtk_cclosure_expression_new (G_TYPE_STRING,
|
||||
NULL,
|
||||
0, NULL,
|
||||
(GCallback)get_title,
|
||||
NULL, NULL);
|
||||
gtk_drop_down_set_expression (GTK_DROP_DOWN (dropdown), expression);
|
||||
gtk_expression_unref (expression);
|
||||
|
||||
gtk_drop_down_set_model (GTK_DROP_DOWN (dropdown), G_LIST_MODEL (sorters));
|
||||
g_object_unref (sorters);
|
||||
|
||||
g_object_bind_property_full (dropdown, "selected",
|
||||
model, "sorter",
|
||||
G_BINDING_SYNC_CREATE,
|
||||
set_item, NULL,
|
||||
NULL, NULL);
|
||||
|
||||
factories = g_list_store_new (GTK_TYPE_LIST_ITEM_FACTORY);
|
||||
|
||||
factory = gtk_signal_list_item_factory_new ();
|
||||
g_signal_connect (factory, "setup", G_CALLBACK (setup_simple_listitem_cb), NULL);
|
||||
set_title (factory, "Colors");
|
||||
g_list_store_append (factories, factory);
|
||||
|
||||
factory = gtk_signal_list_item_factory_new ();
|
||||
g_signal_connect (factory, "setup", G_CALLBACK (setup_listitem_cb), NULL);
|
||||
set_title (factory, "Everything");
|
||||
g_list_store_append (factories, factory);
|
||||
|
||||
dropdown = gtk_drop_down_new ();
|
||||
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
|
||||
gtk_box_append (GTK_BOX (box), gtk_label_new ("Show:"));
|
||||
gtk_box_append (GTK_BOX (box), dropdown);
|
||||
gtk_header_bar_pack_end (GTK_HEADER_BAR (header), box);
|
||||
|
||||
expression = gtk_cclosure_expression_new (G_TYPE_STRING,
|
||||
NULL,
|
||||
0, NULL,
|
||||
(GCallback)get_title,
|
||||
NULL, NULL);
|
||||
gtk_drop_down_set_expression (GTK_DROP_DOWN (dropdown), expression);
|
||||
gtk_expression_unref (expression);
|
||||
|
||||
gtk_drop_down_set_model (GTK_DROP_DOWN (dropdown), G_LIST_MODEL (factories));
|
||||
g_object_unref (factories);
|
||||
|
||||
g_object_bind_property_full (dropdown, "selected",
|
||||
gridview, "factory",
|
||||
G_BINDING_SYNC_CREATE,
|
||||
set_item, NULL,
|
||||
NULL, NULL);
|
||||
|
||||
g_object_unref (model);
|
||||
}
|
||||
|
||||
if (!gtk_widget_get_visible (window))
|
||||
gtk_widget_show (window);
|
||||
else
|
||||
gtk_window_destroy (GTK_WINDOW (window));
|
||||
|
||||
return window;
|
||||
}
|
||||
@ -44,6 +44,7 @@ demos = files([
|
||||
'list_store.c',
|
||||
'listview_applauncher.c',
|
||||
'listview_clocks.c',
|
||||
'listview_colors.c',
|
||||
'listview_filebrowser.c',
|
||||
'listview_minesweeper.c',
|
||||
'listview_settings.c',
|
||||
|
||||
Loading…
Reference in New Issue
Block a user