mirror of
https://github.com/brl/mutter.git
synced 2024-11-21 23:50:41 -05:00
the miracle of cvs add
This commit is contained in:
Havoc Pennington
parent
619e2c36b5
commit
f7c2b446f2
283
src/tools/metacity-mag.c
Normal file
283
src/tools/metacity-mag.c
Normal file
@ -0,0 +1,283 @@
|
||||
/* Hack for use instead of xmag */
|
||||
|
||||
/*
|
||||
* Copyright (C) 2002 Red Hat Inc.
|
||||
*
|
||||
* 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, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
|
||||
* 02111-1307, USA.
|
||||
*/
|
||||
|
||||
#include <gtk/gtk.h>
|
||||
#include <gdk/gdkx.h>
|
||||
#include <gdk/gdkkeysyms.h>
|
||||
#include <unistd.h>
|
||||
#include <stdlib.h>
|
||||
#include <math.h>
|
||||
|
||||
static GtkWidget *grab_widget = NULL;
|
||||
static GtkWidget *display_window = NULL;
|
||||
static int last_grab_x = 0;
|
||||
static int last_grab_y = 0;
|
||||
static int last_grab_width = 150;
|
||||
static int last_grab_height = 150;
|
||||
static GtkAllocation last_grab_allocation;
|
||||
static double width_factor = 4.0;
|
||||
static double height_factor = 4.0;
|
||||
static GdkInterpType interp_mode = GDK_INTERP_NEAREST;
|
||||
static guint regrab_idle_id = 0;
|
||||
|
||||
static GdkPixbuf*
|
||||
get_pixbuf (void)
|
||||
{
|
||||
GdkPixbuf *screenshot;
|
||||
GdkPixbuf *magnified;
|
||||
|
||||
#if 0
|
||||
g_print ("Size %d x %d\n",
|
||||
last_grab_width, last_grab_height);
|
||||
#endif
|
||||
|
||||
screenshot = gdk_pixbuf_get_from_drawable (NULL, gdk_get_default_root_window (),
|
||||
NULL,
|
||||
last_grab_x, last_grab_y, 0, 0,
|
||||
last_grab_width, last_grab_height);
|
||||
|
||||
if (screenshot == NULL)
|
||||
{
|
||||
g_printerr ("Screenshot failed\n");
|
||||
exit (1);
|
||||
}
|
||||
|
||||
magnified = gdk_pixbuf_scale_simple (screenshot, last_grab_width * width_factor,
|
||||
last_grab_height * height_factor,
|
||||
interp_mode);
|
||||
|
||||
|
||||
g_object_unref (G_OBJECT (screenshot));
|
||||
|
||||
return magnified;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
regrab_idle (GtkWidget *image)
|
||||
{
|
||||
GdkPixbuf *magnified;
|
||||
|
||||
if (image->allocation.width != last_grab_allocation.width ||
|
||||
image->allocation.height != last_grab_allocation.height)
|
||||
{
|
||||
last_grab_width = rint (image->allocation.width / width_factor);
|
||||
last_grab_height = rint (image->allocation.height / height_factor);
|
||||
last_grab_allocation = image->allocation;
|
||||
|
||||
magnified = get_pixbuf ();
|
||||
|
||||
gtk_image_set_from_pixbuf (GTK_IMAGE (image), magnified);
|
||||
|
||||
g_object_unref (G_OBJECT (magnified));
|
||||
}
|
||||
|
||||
regrab_idle_id = 0;
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static void
|
||||
image_resized (GtkWidget *image)
|
||||
{
|
||||
if (regrab_idle_id == 0)
|
||||
regrab_idle_id = g_idle_add_full (G_PRIORITY_LOW + 100, (GSourceFunc) regrab_idle,
|
||||
image, NULL);
|
||||
}
|
||||
|
||||
static void
|
||||
grab_area_at_mouse (GtkWidget *invisible,
|
||||
int x_root,
|
||||
int y_root)
|
||||
{
|
||||
GdkPixbuf *magnified;
|
||||
int width, height;
|
||||
GtkWidget *widget;
|
||||
|
||||
width = last_grab_width;
|
||||
height = last_grab_height;
|
||||
|
||||
last_grab_x = x_root;
|
||||
last_grab_y = y_root;
|
||||
last_grab_width = width;
|
||||
last_grab_height = height;
|
||||
|
||||
magnified = get_pixbuf ();
|
||||
|
||||
display_window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
|
||||
gtk_window_set_default_size (GTK_WINDOW (display_window),
|
||||
last_grab_width, last_grab_height);
|
||||
widget = gtk_image_new_from_pixbuf (magnified);
|
||||
gtk_widget_set_size_request (widget, 40, 40);
|
||||
gtk_container_add (GTK_CONTAINER (display_window), widget);
|
||||
g_object_unref (G_OBJECT (magnified));
|
||||
|
||||
g_object_add_weak_pointer (G_OBJECT (display_window), (void**) &display_window);
|
||||
|
||||
g_signal_connect (G_OBJECT (display_window), "destroy",
|
||||
G_CALLBACK (gtk_main_quit), NULL);
|
||||
|
||||
g_signal_connect_after (G_OBJECT (widget), "size_allocate", G_CALLBACK (image_resized), NULL);
|
||||
|
||||
gtk_widget_show_all (display_window);
|
||||
}
|
||||
|
||||
static void
|
||||
shutdown_grab (void)
|
||||
{
|
||||
gdk_keyboard_ungrab (gtk_get_current_event_time ());
|
||||
gdk_pointer_ungrab (gtk_get_current_event_time ());
|
||||
gtk_grab_remove (grab_widget);
|
||||
}
|
||||
|
||||
static void
|
||||
mouse_motion (GtkWidget *invisible,
|
||||
GdkEventMotion *event,
|
||||
gpointer data)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
static gboolean
|
||||
mouse_release (GtkWidget *invisible,
|
||||
GdkEventButton *event,
|
||||
gpointer data)
|
||||
{
|
||||
if (event->button != 1)
|
||||
return FALSE;
|
||||
|
||||
grab_area_at_mouse (invisible, event->x_root, event->y_root);
|
||||
|
||||
shutdown_grab ();
|
||||
|
||||
gtk_signal_disconnect_by_func (GTK_OBJECT (invisible),
|
||||
GTK_SIGNAL_FUNC (mouse_motion), NULL);
|
||||
gtk_signal_disconnect_by_func (GTK_OBJECT (invisible),
|
||||
GTK_SIGNAL_FUNC (mouse_release), NULL);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
/* Helper Functions */
|
||||
|
||||
static gboolean mouse_press (GtkWidget *invisible,
|
||||
GdkEventButton *event,
|
||||
gpointer data);
|
||||
|
||||
static gboolean
|
||||
key_press (GtkWidget *invisible,
|
||||
GdkEventKey *event,
|
||||
gpointer data)
|
||||
{
|
||||
if (event->keyval == GDK_Escape)
|
||||
{
|
||||
shutdown_grab ();
|
||||
|
||||
gtk_signal_disconnect_by_func (GTK_OBJECT (invisible),
|
||||
GTK_SIGNAL_FUNC (mouse_press),
|
||||
NULL);
|
||||
gtk_signal_disconnect_by_func (GTK_OBJECT (invisible),
|
||||
GTK_SIGNAL_FUNC (key_press),
|
||||
NULL);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
mouse_press (GtkWidget *invisible,
|
||||
GdkEventButton *event,
|
||||
gpointer data)
|
||||
{
|
||||
if (event->type == GDK_BUTTON_PRESS &&
|
||||
event->button == 1)
|
||||
{
|
||||
gtk_signal_connect (GTK_OBJECT (invisible), "motion_notify_event",
|
||||
GTK_SIGNAL_FUNC (mouse_motion),
|
||||
NULL);
|
||||
gtk_signal_connect (GTK_OBJECT (invisible), "button_release_event",
|
||||
GTK_SIGNAL_FUNC (mouse_release),
|
||||
NULL);
|
||||
gtk_signal_disconnect_by_func (GTK_OBJECT (invisible),
|
||||
GTK_SIGNAL_FUNC (mouse_press),
|
||||
NULL);
|
||||
gtk_signal_disconnect_by_func (GTK_OBJECT (invisible),
|
||||
GTK_SIGNAL_FUNC (key_press),
|
||||
NULL);
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static void
|
||||
begin_area_grab (void)
|
||||
{
|
||||
if (grab_widget == NULL)
|
||||
{
|
||||
grab_widget = gtk_invisible_new ();
|
||||
|
||||
gtk_widget_add_events (grab_widget,
|
||||
GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK);
|
||||
|
||||
gtk_widget_show (grab_widget);
|
||||
}
|
||||
|
||||
if (gdk_keyboard_grab (grab_widget->window,
|
||||
FALSE,
|
||||
gtk_get_current_event_time ()) != GDK_GRAB_SUCCESS)
|
||||
{
|
||||
g_warning ("Failed to grab keyboard to do eyedropper");
|
||||
return;
|
||||
}
|
||||
|
||||
if (gdk_pointer_grab (grab_widget->window,
|
||||
FALSE,
|
||||
GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK,
|
||||
NULL,
|
||||
NULL,
|
||||
gtk_get_current_event_time ()) != GDK_GRAB_SUCCESS)
|
||||
{
|
||||
gdk_keyboard_ungrab (GDK_CURRENT_TIME);
|
||||
g_warning ("Failed to grab pointer to do eyedropper");
|
||||
return;
|
||||
}
|
||||
|
||||
gtk_grab_add (grab_widget);
|
||||
|
||||
gtk_signal_connect (GTK_OBJECT (grab_widget), "button_press_event",
|
||||
GTK_SIGNAL_FUNC (mouse_press), NULL);
|
||||
gtk_signal_connect (GTK_OBJECT (grab_widget), "key_press_event",
|
||||
GTK_SIGNAL_FUNC (key_press), NULL);
|
||||
}
|
||||
|
||||
int
|
||||
main (int argc, char **argv)
|
||||
{
|
||||
gtk_init (&argc, &argv);
|
||||
|
||||
begin_area_grab ();
|
||||
|
||||
gtk_main ();
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user