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gimp/app/display/gimpdisplayshell-handlers.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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 "config.h"
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "display-types.h"
#include "config/gimpdisplayconfig.h"
#include "core/gimp.h"
#include "core/gimpimage.h"
#include "gimpdisplay.h"
#include "gimpdisplayshell.h"
#include "gimpdisplayshell-appearance.h"
#include "gimpdisplayshell-callbacks.h"
#include "gimpdisplayshell-handlers.h"
#include "gimpdisplayshell-scale.h"
#include "gimpdisplayshell-selection.h"
#include "gimpdisplayshell-title.h"
#include "gimpstatusbar.h"
#define GIMP_DISPLAY_UPDATE_ICON_TIMEOUT 1000
/* local function prototypes */
static void gimp_display_shell_clean_dirty_handler (GimpImage *gimage,
GimpDisplayShell *shell);
static void gimp_display_shell_undo_event_handler (GimpImage *gimage,
GimpUndoEvent event,
GimpUndo *undo,
GimpDisplayShell *shell);
static void gimp_display_shell_name_changed_handler (GimpImage *gimage,
GimpDisplayShell *shell);
static void gimp_display_shell_selection_control_handler (GimpImage *gimage,
GimpSelectionControl control,
GimpDisplayShell *shell);
static void gimp_display_shell_size_changed_handler (GimpImage *gimage,
GimpDisplayShell *shell);
static void gimp_display_shell_resolution_changed_handler (GimpImage *gimage,
GimpDisplayShell *shell);
static void gimp_display_shell_unit_changed_handler (GimpImage *gimage,
GimpDisplayShell *shell);
static void gimp_display_shell_qmask_changed_handler (GimpImage *gimage,
GimpDisplayShell *shell);
static void gimp_display_shell_update_guide_handler (GimpImage *gimage,
GimpGuide *guide,
GimpDisplayShell *shell);
static void gimp_display_shell_invalidate_preview_handler (GimpImage *gimage,
GimpDisplayShell *shell);
static void gimp_display_shell_check_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell);
static void gimp_display_shell_title_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell);
static void gimp_display_shell_nav_size_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell);
static void gimp_display_shell_monitor_res_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell);
static void gimp_display_shell_padding_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell);
static void gimp_display_shell_ants_speed_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell);
static gboolean gimp_display_shell_idle_update_icon (gpointer data);
/* public functions */
void
gimp_display_shell_connect (GimpDisplayShell *shell)
{
GimpDisplayConfig *display_config;
GimpImage *gimage;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
g_return_if_fail (GIMP_IS_DISPLAY (shell->gdisp));
g_return_if_fail (GIMP_IS_IMAGE (shell->gdisp->gimage));
gimage = shell->gdisp->gimage;
display_config = GIMP_DISPLAY_CONFIG (gimage->gimp->config);
shell->monitor_xres = display_config->monitor_xres;
shell->monitor_yres = display_config->monitor_yres;
shell->padding_mode = display_config->canvas_padding_mode;
shell->padding_color = display_config->canvas_padding_color;
g_signal_connect (gimage, "clean",
G_CALLBACK (gimp_display_shell_clean_dirty_handler),
shell);
g_signal_connect (gimage, "dirty",
G_CALLBACK (gimp_display_shell_clean_dirty_handler),
shell);
g_signal_connect (gimage, "undo_event",
G_CALLBACK (gimp_display_shell_undo_event_handler),
shell);
g_signal_connect (gimage, "name_changed",
G_CALLBACK (gimp_display_shell_name_changed_handler),
shell);
g_signal_connect (gimage, "selection_control",
G_CALLBACK (gimp_display_shell_selection_control_handler),
shell);
g_signal_connect (gimage, "size_changed",
G_CALLBACK (gimp_display_shell_size_changed_handler),
shell);
g_signal_connect (gimage, "resolution_changed",
G_CALLBACK (gimp_display_shell_resolution_changed_handler),
shell);
g_signal_connect (gimage, "unit_changed",
G_CALLBACK (gimp_display_shell_unit_changed_handler),
shell);
g_signal_connect (gimage, "qmask_changed",
G_CALLBACK (gimp_display_shell_qmask_changed_handler),
shell);
g_signal_connect (gimage, "update_guide",
G_CALLBACK (gimp_display_shell_update_guide_handler),
shell);
g_signal_connect (gimage, "invalidate_preview",
G_CALLBACK (gimp_display_shell_invalidate_preview_handler),
shell);
g_signal_connect (gimage->gimp->config,
"notify::transparency-size",
G_CALLBACK (gimp_display_shell_check_notify_handler),
shell);
g_signal_connect (gimage->gimp->config,
"notify::transparency-type",
G_CALLBACK (gimp_display_shell_check_notify_handler),
shell);
g_signal_connect (gimage->gimp->config,
"notify::image-title-format",
G_CALLBACK (gimp_display_shell_title_notify_handler),
shell);
g_signal_connect (gimage->gimp->config,
"notify::image-status-format",
G_CALLBACK (gimp_display_shell_title_notify_handler),
shell);
g_signal_connect (gimage->gimp->config,
"notify::navigation-preview-size",
G_CALLBACK (gimp_display_shell_nav_size_notify_handler),
shell);
g_signal_connect (gimage->gimp->config,
"notify::monitor-xresolution",
G_CALLBACK (gimp_display_shell_monitor_res_notify_handler),
shell);
g_signal_connect (gimage->gimp->config,
"notify::monitor-yresolution",
G_CALLBACK (gimp_display_shell_monitor_res_notify_handler),
shell);
g_signal_connect (gimage->gimp->config,
"notify::canvas-padding-mode",
G_CALLBACK (gimp_display_shell_padding_notify_handler),
shell);
g_signal_connect (gimage->gimp->config,
"notify::canvas-padding-color",
G_CALLBACK (gimp_display_shell_padding_notify_handler),
shell);
g_signal_connect (gimage->gimp->config,
"notify::marching-ants-speed",
G_CALLBACK (gimp_display_shell_ants_speed_notify_handler),
shell);
gimp_display_shell_invalidate_preview_handler (gimage, shell);
gimp_display_shell_qmask_changed_handler (gimage, shell);
}
void
gimp_display_shell_disconnect (GimpDisplayShell *shell)
{
GimpImage *gimage;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
g_return_if_fail (GIMP_IS_DISPLAY (shell->gdisp));
g_return_if_fail (GIMP_IS_IMAGE (shell->gdisp->gimage));
gimage = shell->gdisp->gimage;
if (shell->icon_idle_id)
{
g_source_remove (shell->icon_idle_id);
shell->icon_idle_id = 0;
}
g_signal_handlers_disconnect_by_func (gimage->gimp->config,
gimp_display_shell_ants_speed_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (gimage->gimp->config,
gimp_display_shell_padding_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (gimage->gimp->config,
gimp_display_shell_monitor_res_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (gimage->gimp->config,
gimp_display_shell_nav_size_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (gimage->gimp->config,
gimp_display_shell_title_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (gimage->gimp->config,
gimp_display_shell_check_notify_handler,
shell);
g_signal_handlers_disconnect_by_func (gimage,
gimp_display_shell_invalidate_preview_handler,
shell);
g_signal_handlers_disconnect_by_func (gimage,
gimp_display_shell_update_guide_handler,
shell);
g_signal_handlers_disconnect_by_func (gimage,
gimp_display_shell_qmask_changed_handler,
shell);
g_signal_handlers_disconnect_by_func (gimage,
gimp_display_shell_unit_changed_handler,
shell);
g_signal_handlers_disconnect_by_func (gimage,
gimp_display_shell_resolution_changed_handler,
shell);
g_signal_handlers_disconnect_by_func (gimage,
gimp_display_shell_size_changed_handler,
shell);
g_signal_handlers_disconnect_by_func (gimage,
gimp_display_shell_selection_control_handler,
shell);
g_signal_handlers_disconnect_by_func (gimage,
gimp_display_shell_name_changed_handler,
shell);
g_signal_handlers_disconnect_by_func (gimage,
gimp_display_shell_undo_event_handler,
shell);
g_signal_handlers_disconnect_by_func (gimage,
gimp_display_shell_clean_dirty_handler,
shell);
}
/* private functions */
static void
gimp_display_shell_clean_dirty_handler (GimpImage *gimage,
GimpDisplayShell *shell)
{
gimp_display_shell_update_title (shell);
}
static void
gimp_display_shell_undo_event_handler (GimpImage *gimage,
GimpUndoEvent event,
GimpUndo *undo,
GimpDisplayShell *shell)
{
gimp_display_shell_update_title (shell);
}
static void
gimp_display_shell_name_changed_handler (GimpImage *gimage,
GimpDisplayShell *shell)
{
gimp_display_shell_update_title (shell);
}
static void
gimp_display_shell_selection_control_handler (GimpImage *gimage,
GimpSelectionControl control,
GimpDisplayShell *shell)
{
gimp_display_shell_selection_visibility (shell, control);
}
static void
gimp_display_shell_size_changed_handler (GimpImage *gimage,
GimpDisplayShell *shell)
{
gimp_statusbar_resize_cursor (GIMP_STATUSBAR (shell->statusbar));
gimp_display_shell_scale_resize (shell,
GIMP_DISPLAY_CONFIG (gimage->gimp->config)->resize_windows_on_resize,
TRUE);
}
static void
gimp_display_shell_resolution_changed_handler (GimpImage *gimage,
GimpDisplayShell *shell)
{
if (! shell->dot_for_dot)
{
gimp_display_shell_scale_setup (shell);
gimp_display_shell_scaled (shell);
}
gimp_statusbar_resize_cursor (GIMP_STATUSBAR (shell->statusbar));
}
static void
gimp_display_shell_unit_changed_handler (GimpImage *gimage,
GimpDisplayShell *shell)
{
if (! shell->dot_for_dot)
{
gimp_display_shell_scale_setup (shell);
gimp_display_shell_scaled (shell);
}
gimp_statusbar_resize_cursor (GIMP_STATUSBAR (shell->statusbar));
}
static void
gimp_display_shell_qmask_changed_handler (GimpImage *gimage,
GimpDisplayShell *shell)
{
GtkImage *image;
image = GTK_IMAGE (GTK_BIN (shell->qmask)->child);
g_signal_handlers_block_by_func (shell->qmask,
gimp_display_shell_qmask_toggled,
shell);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (shell->qmask),
shell->gdisp->gimage->qmask_state);
if (shell->gdisp->gimage->qmask_state)
gtk_image_set_from_stock (image, GIMP_STOCK_QMASK_ON, GTK_ICON_SIZE_MENU);
else
gtk_image_set_from_stock (image, GIMP_STOCK_QMASK_OFF, GTK_ICON_SIZE_MENU);
g_signal_handlers_unblock_by_func (shell->qmask,
gimp_display_shell_qmask_toggled,
shell);
}
static void
gimp_display_shell_update_guide_handler (GimpImage *gimage,
GimpGuide *guide,
GimpDisplayShell *shell)
{
gimp_display_shell_expose_guide (shell, guide);
}
static void
gimp_display_shell_invalidate_preview_handler (GimpImage *gimage,
GimpDisplayShell *shell)
{
if (shell->icon_idle_id)
g_source_remove (shell->icon_idle_id);
shell->icon_idle_id = g_timeout_add_full (G_PRIORITY_LOW,
GIMP_DISPLAY_UPDATE_ICON_TIMEOUT,
gimp_display_shell_idle_update_icon,
shell,
NULL);
}
static void
gimp_display_shell_check_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell)
{
switch (shell->padding_mode)
{
case GIMP_DISPLAY_PADDING_MODE_LIGHT_CHECK:
case GIMP_DISPLAY_PADDING_MODE_DARK_CHECK:
gimp_display_shell_set_padding (shell,
shell->padding_mode,
&shell->padding_color);
break;
default:
break;
}
gimp_display_shell_expose_full (shell);
}
static void
gimp_display_shell_title_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell)
{
gimp_display_shell_update_title (shell);
}
static void
gimp_display_shell_nav_size_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell)
{
if (shell->nav_popup)
{
gtk_widget_destroy (shell->nav_popup);
shell->nav_popup = NULL;
}
}
static void
gimp_display_shell_monitor_res_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell)
{
shell->monitor_xres = GIMP_DISPLAY_CONFIG (config)->monitor_xres;
shell->monitor_yres = GIMP_DISPLAY_CONFIG (config)->monitor_yres;
if (! shell->dot_for_dot)
{
gimp_display_shell_scale_setup (shell);
gimp_display_shell_scaled (shell);
gimp_statusbar_resize_cursor (GIMP_STATUSBAR (shell->statusbar));
gimp_display_shell_expose_full (shell);
}
}
static void
gimp_display_shell_padding_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell)
{
/* if the user did not set the padding mode for this display explicitely */
if (! shell->padding_mode_set)
{
GimpDisplayConfig *display_config;
display_config = GIMP_DISPLAY_CONFIG (config);
gimp_display_shell_set_padding (shell,
display_config->canvas_padding_mode,
&display_config->canvas_padding_color);
}
}
static void
gimp_display_shell_ants_speed_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell)
{
gimp_display_shell_selection_pause (shell->select);
gimp_display_shell_selection_resume (shell->select);
}
static gboolean
gimp_display_shell_idle_update_icon (gpointer data)
{
GimpDisplayShell *shell;
shell = GIMP_DISPLAY_SHELL (data);
shell->icon_idle_id = 0;
gimp_display_shell_update_icon (shell);
return FALSE;
}
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