pidgin/pidgin

closing merged branch
Ball--Gy-rgy/update-screenshot-url-in-appdata-file-1591293245974
8 months ago, Gary Kramlich
708c6622acc6
closing merged branch
/* pidgin
*
* Pidgin is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* 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, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301, USA.
*/
#include "gtkdnd-hints.h"
#include "internal.h"
#include <gdk/gdk.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
typedef struct
{
GtkWidget *widget;
gchar *filename;
gint ox;
gint oy;
} HintWindowInfo;
/*
* Info about each hint widget. See PidginDndHintWindowId enum.
*/
static HintWindowInfo hint_windows[] = {
{ NULL, "arrow-up.xpm", -13/2, 0 },
{ NULL, "arrow-down.xpm", -13/2, -16 },
{ NULL, "arrow-left.xpm", 0, -13/2 },
{ NULL, "arrow-right.xpm", -16, -13/2 },
{ NULL, NULL, 0, 0 }
};
static void
dnd_hints_realized_cb(GtkWidget *window, GtkWidget *pix)
{
GdkPixbuf *pixbuf;
cairo_surface_t *surface;
cairo_region_t *region;
cairo_t *cr;
pixbuf = gtk_image_get_pixbuf(GTK_IMAGE(pix));
surface = cairo_image_surface_create(CAIRO_FORMAT_A1,
gdk_pixbuf_get_width(pixbuf),
gdk_pixbuf_get_height(pixbuf));
cr = cairo_create(surface);
gdk_cairo_set_source_pixbuf(cr, pixbuf, 0, 0);
cairo_paint(cr);
cairo_destroy(cr);
region = gdk_cairo_region_create_from_surface(surface);
gtk_widget_shape_combine_region(window, region);
cairo_region_destroy(region);
cairo_surface_destroy(surface);
}
static GtkWidget *
dnd_hints_init_window(const gchar *fname)
{
GdkPixbuf *pixbuf;
GtkWidget *pix;
GtkWidget *win;
pixbuf = gdk_pixbuf_new_from_file(fname, NULL);
g_return_val_if_fail(pixbuf, NULL);
win = gtk_window_new(GTK_WINDOW_POPUP);
pix = gtk_image_new_from_pixbuf(pixbuf);
gtk_container_add(GTK_CONTAINER(win), pix);
gtk_widget_show_all(pix);
g_object_unref(G_OBJECT(pixbuf));
g_signal_connect(G_OBJECT(win), "realize",
G_CALLBACK(dnd_hints_realized_cb), pix);
return win;
}
static void
get_widget_coords(GtkWidget *w, gint *x1, gint *y1, gint *x2, gint *y2)
{
gint ox, oy, width, height;
GtkWidget *parent = gtk_widget_get_parent(w);
if (parent && gtk_widget_get_window(parent) == gtk_widget_get_window(w))
{
GtkAllocation allocation;
gtk_widget_get_allocation(w, &allocation);
get_widget_coords(parent, &ox, &oy, NULL, NULL);
height = allocation.height;
width = allocation.width;
}
else
{
GdkWindow *win = gtk_widget_get_window(w);
gdk_window_get_origin(win, &ox, &oy);
width = gdk_window_get_width(win);
height = gdk_window_get_height(win);
}
if (x1) *x1 = ox;
if (y1) *y1 = oy;
if (x2) *x2 = ox + width;
if (y2) *y2 = oy + height;
}
static void
dnd_hints_init(void)
{
static gboolean done = FALSE;
gint i;
if (done)
return;
done = TRUE;
for (i = 0; hint_windows[i].filename != NULL; i++) {
gchar *fname;
fname = g_build_filename(PURPLE_DATADIR, "pixmaps", "pidgin",
hint_windows[i].filename, NULL);
hint_windows[i].widget = dnd_hints_init_window(fname);
g_free(fname);
}
}
void
pidgin_dnd_hints_hide_all(void)
{
gint i;
for (i = 0; hint_windows[i].filename != NULL; i++)
pidgin_dnd_hints_hide(i);
}
void
pidgin_dnd_hints_hide(PidginDndHintWindowId i)
{
GtkWidget *w = hint_windows[i].widget;
if (w && GTK_IS_WIDGET(w))
gtk_widget_hide(w);
}
void
pidgin_dnd_hints_show(PidginDndHintWindowId id, gint x, gint y)
{
GtkWidget *w;
dnd_hints_init();
w = hint_windows[id].widget;
if (w && GTK_IS_WIDGET(w))
{
gtk_window_move(GTK_WINDOW(w), hint_windows[id].ox + x,
hint_windows[id].oy + y);
gtk_widget_show(w);
}
}
void
pidgin_dnd_hints_show_relative(PidginDndHintWindowId id, GtkWidget *widget,
PidginDndHintPosition horiz, PidginDndHintPosition vert)
{
gint x1, x2, y1, y2;
gint x = 0, y = 0;
GtkAllocation allocation;
gtk_widget_get_allocation(widget, &allocation);
get_widget_coords(widget, &x1, &y1, &x2, &y2);
x1 += allocation.x; x2 += allocation.x;
y1 += allocation.y; y2 += allocation.y;
switch (horiz)
{
case HINT_POSITION_RIGHT: x = x2; break;
case HINT_POSITION_LEFT: x = x1; break;
case HINT_POSITION_CENTER: x = (x1 + x2) / 2; break;
default:
/* should not happen */
g_warning("Invalid parameter to pidgin_dnd_hints_show_relative");
break;
}
switch (vert)
{
case HINT_POSITION_TOP: y = y1; break;
case HINT_POSITION_BOTTOM: y = y2; break;
case HINT_POSITION_CENTER: y = (y1 + y2) / 2; break;
default:
/* should not happen */
g_warning("Invalid parameter to pidgin_dnd_hints_show_relative");
break;
}
pidgin_dnd_hints_show(id, x, y);
}