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Initial work on a color editor

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This replaces GtkHSV with a compound widget featuring
a hue slider and an sv-plane, amongst others.
This commit is contained in:
Matthias Clasen
2012-01-30 09:56:20 -05:00
parent 759765114f
commit 021f5e0365
4 changed files with 651 additions and 27 deletions
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89
gtk/gtkcolorswatch.c
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@ -23,6 +23,11 @@
#include "gtkroundedboxprivate.h"
#include "gtkdnd.h"
#include "gtkicontheme.h"
#include "gtkmain.h"
#include "gtkmenu.h"
#include "gtkmenuitem.h"
#include "gtkmenushell.h"
#include "gtkbindings.h"
#include "gtkprivate.h"
#include "gtkintl.h"
@ -343,6 +348,9 @@ swatch_key_press (GtkWidget *widget,
return TRUE;
}
if (GTK_WIDGET_CLASS (gtk_color_swatch_parent_class)->key_press_event (widget, event))
return TRUE;
return FALSE;
}
@ -364,6 +372,77 @@ swatch_leave (GtkWidget *widget,
return FALSE;
}
static void
emit_customize (GtkColorSwatch *swatch)
{
g_signal_emit (swatch, signals[CUSTOMIZE], 0);
}
static void
popup_position_func (GtkMenu *menu,
gint *x,
gint *y,
gboolean *push_in,
gpointer user_data)
{
GtkWidget *widget;
GtkRequisition req;
gint root_x, root_y;
GdkScreen *screen;
GdkWindow *window;
GdkRectangle monitor;
gint monitor_num;
widget = GTK_WIDGET (user_data);
g_return_if_fail (gtk_widget_get_realized (widget));
window = gtk_widget_get_window (widget);
screen = gtk_widget_get_screen (widget);
monitor_num = gdk_screen_get_monitor_at_window (screen, window);
if (monitor_num < 0)
monitor_num = 0;
gtk_menu_set_monitor (menu, monitor_num);
gdk_window_get_origin (window, &root_x, &root_y);
gtk_widget_get_preferred_size (GTK_WIDGET (menu), &req, NULL);
/* Put corner of menu centered on swatch */
*x = root_x + gtk_widget_get_allocated_width (widget) / 2;
*y = root_y + gtk_widget_get_allocated_height (widget) / 2;
/* Ensure sanity */
gdk_screen_get_monitor_workarea (screen, monitor_num, &monitor);
*x = CLAMP (*x, monitor.x, MAX (monitor.x, monitor.width - req.width));
*y = CLAMP (*y, monitor.y, MAX (monitor.y, monitor.height - req.height));
}
static void
do_popup (GtkWidget *swatch,
GdkEventButton *event)
{
GtkWidget *menu;
GtkWidget *item;
menu = gtk_menu_new ();
item = gtk_menu_item_new_with_mnemonic (_("_Customize"));
gtk_menu_attach_to_widget (GTK_MENU (menu), swatch, NULL);
g_signal_connect_swapped (item, "activate",
G_CALLBACK (emit_customize), swatch);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
gtk_widget_show_all (item);
if (event)
gtk_menu_popup (GTK_MENU (menu), NULL, NULL,
NULL, NULL, event->button, event->time);
else
gtk_menu_popup (GTK_MENU (menu), NULL, NULL,
popup_position_func, swatch,
0, gtk_get_current_event_time ());
}
static gboolean
swatch_button_press (GtkWidget *widget,
GdkEventButton *event)
@ -374,7 +453,7 @@ swatch_button_press (GtkWidget *widget,
if (gdk_event_triggers_context_menu ((GdkEvent *) event))
{
g_signal_emit (swatch, signals[CUSTOMIZE], 0);
do_popup (widget, event);
return TRUE;
}
else if (event->button == GDK_BUTTON_PRIMARY &&
@ -413,6 +492,13 @@ swatch_button_release (GtkWidget *widget,
return FALSE;
}
static gboolean
swatch_menu (GtkWidget *swatch)
{
do_popup (swatch, NULL);
return TRUE;
}
static void
gtk_color_swatch_class_init (GtkColorSwatchClass *class)
{
@ -430,6 +516,7 @@ gtk_color_swatch_class_init (GtkColorSwatchClass *class)
widget_class->drag_data_get = swatch_drag_data_get;
widget_class->drag_data_received = swatch_drag_data_received;
widget_class->key_press_event = swatch_key_press;
widget_class->popup_menu = swatch_menu;
widget_class->button_press_event = swatch_button_press;
widget_class->button_release_event = swatch_button_release;
widget_class->enter_notify_event = swatch_enter;