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gimp/app/display/gimpdisplayshell.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 "libgimpcolor/gimpcolor.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "display-types.h"
#include "tools/tools-types.h"
#ifdef __GNUC__
#warning FIXME #include "gui/gui-types.h"
#endif
#include "gui/gui-types.h"
#include "config/gimpconfig.h"
#include "config/gimpconfig-utils.h"
#include "config/gimpdisplayconfig.h"
#include "core/gimp.h"
#include "core/gimpbuffer.h"
#include "core/gimpcontext.h"
#include "core/gimpgrid.h"
#include "core/gimpimage.h"
#include "core/gimpimage-guides.h"
#include "core/gimpimage-snap.h"
#include "core/gimplayer.h"
#include "core/gimplayermask.h"
#include "core/gimplist.h"
#include "core/gimpmarshal.h"
#include "core/gimppattern.h"
#include "file/file-utils.h"
#include "vectors/gimpvectors.h"
#include "vectors/gimpstroke.h"
#include "widgets/gimpcolorpanel.h"
#include "widgets/gimpdnd.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimpitemfactory.h"
#include "widgets/gimpmenufactory.h"
#include "widgets/gimpwidgets-utils.h"
#include "gui/info-window.h"
#include "tools/tool_manager.h"
#include "gimpcanvas.h"
#include "gimpdisplay.h"
#include "gimpdisplayoptions.h"
#include "gimpdisplayshell.h"
#include "gimpdisplayshell-appearance.h"
#include "gimpdisplayshell-callbacks.h"
#include "gimpdisplayshell-cursor.h"
#include "gimpdisplayshell-dnd.h"
#include "gimpdisplayshell-filter.h"
#include "gimpdisplayshell-handlers.h"
#include "gimpdisplayshell-render.h"
#include "gimpdisplayshell-scale.h"
#include "gimpdisplayshell-selection.h"
#include "gimpdisplayshell-title.h"
#include "gimpdisplayshell-transform.h"
#include "gimpstatusbar.h"
#include "gimp-intl.h"
enum
{
SCALED,
SCROLLED,
RECONNECT,
LAST_SIGNAL
};
/* local function prototypes */
static void gimp_display_shell_class_init (GimpDisplayShellClass *klass);
static void gimp_display_shell_init (GimpDisplayShell *shell);
static void gimp_display_shell_finalize (GObject *object);
static void gimp_display_shell_destroy (GtkObject *object);
static void gimp_display_shell_screen_changed (GtkWidget *widget,
GdkScreen *previous);
static gboolean gimp_display_shell_delete_event (GtkWidget *widget,
GdkEventAny *aevent);
static void gimp_display_shell_real_scaled (GimpDisplayShell *shell);
static GdkGC * gimp_display_shell_grid_gc_new (GtkWidget *widget,
GimpGrid *grid);
static void gimp_display_shell_close_warning_dialog (GimpDisplayShell *shell,
GimpImage *gimage);
static void gimp_display_shell_close_warning_callback (GtkWidget *widget,
gboolean close,
gpointer data);
static guint display_shell_signals[LAST_SIGNAL] = { 0 };
static GtkWindowClass *parent_class = NULL;
GType
gimp_display_shell_get_type (void)
{
static GType shell_type = 0;
if (! shell_type)
{
static const GTypeInfo shell_info =
{
sizeof (GimpDisplayShellClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_display_shell_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpDisplayShell),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_display_shell_init,
};
shell_type = g_type_register_static (GTK_TYPE_WINDOW,
"GimpDisplayShell",
&shell_info, 0);
}
return shell_type;
}
static void
gimp_display_shell_class_init (GimpDisplayShellClass *klass)
{
GObjectClass *gobject_class;
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
gobject_class = G_OBJECT_CLASS (klass);
object_class = GTK_OBJECT_CLASS (klass);
widget_class = GTK_WIDGET_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
display_shell_signals[SCALED] =
g_signal_new ("scaled",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpDisplayShellClass, scaled),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
display_shell_signals[SCROLLED] =
g_signal_new ("scrolled",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpDisplayShellClass, scrolled),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
display_shell_signals[RECONNECT] =
g_signal_new ("reconnect",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpDisplayShellClass, reconnect),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
gobject_class->finalize = gimp_display_shell_finalize;
object_class->destroy = gimp_display_shell_destroy;
widget_class->screen_changed = gimp_display_shell_screen_changed;
widget_class->delete_event = gimp_display_shell_delete_event;
widget_class->popup_menu = gimp_display_shell_popup_menu;
klass->scaled = gimp_display_shell_real_scaled;
klass->scrolled = NULL;
klass->reconnect = NULL;
}
static void
gimp_display_shell_init (GimpDisplayShell *shell)
{
shell->gdisp = NULL;
shell->menubar_factory = NULL;
shell->popup_factory = NULL;
shell->qmask_factory = NULL;
shell->scale = 0x101;
shell->other_scale = 0;
shell->dot_for_dot = TRUE;
shell->offset_x = 0;
shell->offset_y = 0;
shell->disp_width = 0;
shell->disp_height = 0;
shell->disp_xoffset = 0;
shell->disp_yoffset = 0;
shell->proximity = FALSE;
shell->snap_to_guides = TRUE;
shell->snap_to_grid = FALSE;
shell->select = NULL;
shell->hsbdata = NULL;
shell->vsbdata = NULL;
shell->canvas = NULL;
shell->hsb = NULL;
shell->vsb = NULL;
shell->qmask = NULL;
shell->hrule = NULL;
shell->vrule = NULL;
shell->origin = NULL;
shell->statusbar = NULL;
shell->render_buf = g_malloc (GIMP_DISPLAY_SHELL_RENDER_BUF_WIDTH *
GIMP_DISPLAY_SHELL_RENDER_BUF_HEIGHT *
3);
shell->icon_size = 32;
shell->icon_idle_id = 0;
shell->current_cursor = (GdkCursorType) -1;
shell->tool_cursor = GIMP_TOOL_CURSOR_NONE;
shell->cursor_modifier = GIMP_CURSOR_MODIFIER_NONE;
shell->override_cursor = (GdkCursorType) -1;
shell->using_override_cursor = FALSE;
shell->draw_cursor = FALSE;
shell->have_cursor = FALSE;
shell->cursor_x = 0;
shell->cursor_y = 0;
shell->padding_button = NULL;
shell->nav_ebox = NULL;
shell->warning_dialog = NULL;
shell->info_dialog = NULL;
shell->scale_dialog = NULL;
shell->nav_popup = NULL;
shell->grid_dialog = NULL;
shell->filters = NULL;
shell->filters_dialog = NULL;
shell->window_state = 0;
shell->paused_count = 0;
shell->options =
g_object_new (GIMP_TYPE_DISPLAY_OPTIONS, NULL);
shell->fullscreen_options =
g_object_new (GIMP_TYPE_DISPLAY_OPTIONS_FULLSCREEN, NULL);
shell->space_pressed = FALSE;
shell->space_release_pending = FALSE;
shell->scrolling = FALSE;
shell->scroll_start_x = 0;
shell->scroll_start_y = 0;
shell->button_press_before_focus = FALSE;
gtk_window_set_role (GTK_WINDOW (shell), "gimp-image-window");
gtk_window_set_resizable (GTK_WINDOW (shell), TRUE);
gtk_widget_set_events (GTK_WIDGET (shell), (GDK_POINTER_MOTION_MASK |
GDK_POINTER_MOTION_HINT_MASK |
GDK_BUTTON_PRESS_MASK |
GDK_KEY_PRESS_MASK |
GDK_KEY_RELEASE_MASK |
GDK_FOCUS_CHANGE_MASK |
GDK_SCROLL_MASK));
/* active display callback */
g_signal_connect (shell, "button_press_event",
G_CALLBACK (gimp_display_shell_events),
shell);
g_signal_connect (shell, "button_release_event",
G_CALLBACK (gimp_display_shell_events),
shell);
g_signal_connect (shell, "key_press_event",
G_CALLBACK (gimp_display_shell_events),
shell);
g_signal_connect (shell, "window_state_event",
G_CALLBACK (gimp_display_shell_events),
shell);
/* dnd stuff */
gimp_dnd_viewable_dest_add (GTK_WIDGET (shell), GIMP_TYPE_LAYER,
gimp_display_shell_drop_drawable,
shell);
gimp_dnd_viewable_dest_add (GTK_WIDGET (shell), GIMP_TYPE_LAYER_MASK,
gimp_display_shell_drop_drawable,
shell);
gimp_dnd_viewable_dest_add (GTK_WIDGET (shell), GIMP_TYPE_CHANNEL,
gimp_display_shell_drop_drawable,
shell);
gimp_dnd_viewable_dest_add (GTK_WIDGET (shell), GIMP_TYPE_VECTORS,
gimp_display_shell_drop_vectors,
shell);
gimp_dnd_viewable_dest_add (GTK_WIDGET (shell), GIMP_TYPE_PATTERN,
gimp_display_shell_drop_pattern,
shell);
gimp_dnd_viewable_dest_add (GTK_WIDGET (shell), GIMP_TYPE_BUFFER,
gimp_display_shell_drop_buffer,
shell);
gimp_dnd_color_dest_add (GTK_WIDGET (shell),
gimp_display_shell_drop_color,
shell);
gimp_help_connect (GTK_WIDGET (shell), gimp_standard_help_func,
GIMP_HELP_IMAGE_WINDOW, NULL);
}
static void
gimp_display_shell_finalize (GObject *object)
{
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (object);
if (shell->options)
g_object_unref (shell->options);
if (shell->fullscreen_options)
g_object_unref (shell->fullscreen_options);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_display_shell_destroy (GtkObject *object)
{
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (object);
if (shell->gdisp)
{
gimp_display_shell_disconnect (shell);
}
if (shell->menubar_factory)
{
g_object_unref (shell->menubar_factory);
shell->menubar_factory = NULL;
}
shell->popup_factory = NULL;
if (shell->qmask_factory)
{
g_object_unref (shell->qmask_factory);
shell->qmask_factory = NULL;
}
if (shell->select)
{
gimp_display_shell_selection_free (shell->select);
shell->select = NULL;
}
gimp_display_shell_filter_detach_all (shell);
if (shell->render_buf)
{
g_free (shell->render_buf);
shell->render_buf = NULL;
}
if (shell->title_idle_id)
{
g_source_remove (shell->title_idle_id);
shell->title_idle_id = 0;
}
if (shell->info_dialog)
{
info_window_free (shell->info_dialog);
shell->info_dialog = NULL;
}
if (shell->nav_popup)
{
gtk_widget_destroy (shell->nav_popup);
shell->nav_popup = NULL;
}
if (shell->grid_dialog)
{
gtk_widget_destroy (shell->grid_dialog);
shell->grid_dialog = NULL;
}
shell->gdisp = NULL;
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
static void
gimp_display_shell_screen_changed (GtkWidget *widget,
GdkScreen *previous)
{
GimpDisplayShell *shell;
GimpDisplayConfig *config;
if (GTK_WIDGET_CLASS (parent_class)->screen_changed)
GTK_WIDGET_CLASS (parent_class)->screen_changed (widget, previous);
shell = GIMP_DISPLAY_SHELL (widget);
config = GIMP_DISPLAY_CONFIG (shell->gdisp->gimage->gimp->config);
if (GIMP_DISPLAY_CONFIG (config)->monitor_res_from_gdk)
{
gimp_get_screen_resolution (gtk_widget_get_screen (widget),
&shell->monitor_xres,
&shell->monitor_yres);
}
else
{
shell->monitor_xres = GIMP_DISPLAY_CONFIG (config)->monitor_xres;
shell->monitor_yres = GIMP_DISPLAY_CONFIG (config)->monitor_yres;
}
}
static gboolean
gimp_display_shell_delete_event (GtkWidget *widget,
GdkEventAny *aevent)
{
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (widget);
gimp_display_shell_close (shell, FALSE);
return TRUE;
}
static void
gimp_display_shell_real_scaled (GimpDisplayShell *shell)
{
GimpContext *user_context;
gimp_display_shell_update_title (shell);
/* update the <Image>/View/Zoom menu */
gimp_item_factory_update (shell->menubar_factory, shell);
user_context = gimp_get_user_context (shell->gdisp->gimage->gimp);
if (shell->gdisp == gimp_context_get_display (user_context))
gimp_item_factory_update (shell->popup_factory, shell);
}
GtkWidget *
gimp_display_shell_new (GimpDisplay *gdisp,
guint scale,
GimpMenuFactory *menu_factory,
GimpItemFactory *popup_factory)
{
GimpDisplayShell *shell;
GimpDisplayConfig *config;
GtkWidget *main_vbox;
GtkWidget *disp_vbox;
GtkWidget *upper_hbox;
GtkWidget *right_vbox;
GtkWidget *lower_hbox;
GtkWidget *inner_table;
GtkWidget *image;
GtkWidget *menubar;
GdkScreen *screen;
gint image_width, image_height;
gint n_width, n_height;
gint s_width, s_height;
gint scalesrc, scaledest;
g_return_val_if_fail (GIMP_IS_DISPLAY (gdisp), NULL);
g_return_val_if_fail (GIMP_IS_MENU_FACTORY (menu_factory), NULL);
g_return_val_if_fail (GIMP_IS_ITEM_FACTORY (popup_factory), NULL);
/* the toplevel shell */
shell = g_object_new (GIMP_TYPE_DISPLAY_SHELL, NULL);
shell->gdisp = gdisp;
shell->scale = scale;
image_width = gdisp->gimage->width;
image_height = gdisp->gimage->height;
config = GIMP_DISPLAY_CONFIG (gdisp->gimage->gimp->config);
shell->dot_for_dot = config->default_dot_for_dot;
gimp_config_sync (GIMP_CONFIG (config->default_view),
GIMP_CONFIG (shell->options), 0);
gimp_config_sync (GIMP_CONFIG (config->default_fullscreen_view),
GIMP_CONFIG (shell->fullscreen_options), 0);
/* adjust the initial scale -- so that window fits on screen the 75%
* value is the same as in gimp_display_shell_shrink_wrap. It
* probably should be a user-configurable option.
*/
screen = gtk_widget_get_screen (GTK_WIDGET (shell));
if (GIMP_DISPLAY_CONFIG (config)->monitor_res_from_gdk)
{
gimp_get_screen_resolution (screen,
&shell->monitor_xres, &shell->monitor_yres);
}
else
{
shell->monitor_xres = GIMP_DISPLAY_CONFIG (config)->monitor_xres;
shell->monitor_yres = GIMP_DISPLAY_CONFIG (config)->monitor_yres;
}
s_width = gdk_screen_get_width (screen) * 0.75;
s_height = gdk_screen_get_height (screen) * 0.75;
scalesrc = SCALESRC (shell);
scaledest = SCALEDEST (shell);
n_width = SCALEX (shell, image_width);
n_height = SCALEX (shell, image_height);
if (config->initial_zoom_to_fit)
{
/* Limit to the size of the screen... */
while (n_width > s_width || n_height > s_height)
{
if (scaledest > 1)
scaledest--;
else
if (scalesrc < 0xFF)
scalesrc++;
n_width = (image_width *
(scaledest * SCREEN_XRES (shell)) /
(scalesrc * gdisp->gimage->xresolution));
n_height = (image_height *
(scaledest * SCREEN_XRES (shell)) /
(scalesrc * gdisp->gimage->xresolution));
if (scaledest == 1 && scalesrc == 0xFF)
break;
}
}
else
{
/* Set up size like above, but do not zoom to fit.
Useful when working on large images. */
if (n_width > s_width)
n_width = s_width;
if (n_height > s_height)
n_height = s_height;
}
shell->scale = (scaledest << 8) + scalesrc;
shell->menubar_factory = gimp_menu_factory_menu_new (menu_factory,
"<Image>",
GTK_TYPE_MENU_BAR,
gdisp,
FALSE);
shell->popup_factory = popup_factory;
shell->qmask_factory = gimp_menu_factory_menu_new (menu_factory,
"<QMask>",
GTK_TYPE_MENU,
shell,
FALSE);
/* The accelerator table for images */
gtk_window_add_accel_group (GTK_WINDOW (shell),
GTK_ITEM_FACTORY (shell->menubar_factory)->accel_group);
/* GtkTable widgets are not able to shrink a row/column correctly if
* widgets are attached with GTK_EXPAND even if those widgets have
* other rows/columns in their rowspan/colspan where they could
* nicely expand without disturbing the row/column which is supposed
* to shrink. --Mitch
*
* Changed the packing to use hboxes and vboxes which behave nicer:
*
* main_vbox
* |
* +-- menubar
* |
* +-- disp_vbox
* | |
* | +-- upper_hbox
* | | |
* | | +-- inner_table
* | | | |
* | | | +-- origin
* | | | +-- hruler
* | | | +-- vruler
* | | | +-- canvas
* | | |
* | | +-- right_vbox
* | | |
* | | +-- padding_button
* | | +-- vscrollbar
* | |
* | +-- lower_hbox
* | |
* | +-- qmask
* | +-- hscrollbar
* | +-- navbutton
* |
* +-- statusbar
*/
/* first, set up the container hierarchy *********************************/
/* the vbox containing all widgets */
main_vbox = gtk_vbox_new (FALSE, 0);
gtk_container_add (GTK_CONTAINER (shell), main_vbox);
menubar = GTK_ITEM_FACTORY (shell->menubar_factory)->widget;
gtk_box_pack_start (GTK_BOX (main_vbox), menubar, FALSE, FALSE, 0);
if (shell->options->show_menubar)
gtk_widget_show (menubar);
/* active display callback */
g_signal_connect (menubar, "button_press_event",
G_CALLBACK (gimp_display_shell_events),
shell);
g_signal_connect (menubar, "button_release_event",
G_CALLBACK (gimp_display_shell_events),
shell);
g_signal_connect (menubar, "key_press_event",
G_CALLBACK (gimp_display_shell_events),
shell);
/* another vbox for everything except the statusbar */
disp_vbox = gtk_vbox_new (FALSE, 1);
gtk_container_set_border_width (GTK_CONTAINER (disp_vbox), 2);
gtk_box_pack_start (GTK_BOX (main_vbox), disp_vbox, TRUE, TRUE, 0);
gtk_widget_show (disp_vbox);
/* a hbox for the inner_table and the vertical scrollbar */
upper_hbox = gtk_hbox_new (FALSE, 1);
gtk_box_pack_start (GTK_BOX (disp_vbox), upper_hbox, TRUE, TRUE, 0);
gtk_widget_show (upper_hbox);
/* the table containing origin, rulers and the canvas */
inner_table = gtk_table_new (2, 2, FALSE);
gtk_table_set_col_spacing (GTK_TABLE (inner_table), 0, 1);
gtk_table_set_row_spacing (GTK_TABLE (inner_table), 0, 1);
gtk_box_pack_start (GTK_BOX (upper_hbox), inner_table, TRUE, TRUE, 0);
gtk_widget_show (inner_table);
/* the vbox containing the color button and the vertical scrollbar */
right_vbox = gtk_vbox_new (FALSE, 1);
gtk_box_pack_start (GTK_BOX (upper_hbox), right_vbox, FALSE, FALSE, 0);
gtk_widget_show (right_vbox);
/* the hbox containing qmask button, vertical scrollbar and nav button */
lower_hbox = gtk_hbox_new (FALSE, 1);
gtk_box_pack_start (GTK_BOX (disp_vbox), lower_hbox, FALSE, FALSE, 0);
gtk_widget_show (lower_hbox);
/* create the scrollbars *************************************************/
/* the horizontal scrollbar */
shell->hsbdata =
GTK_ADJUSTMENT (gtk_adjustment_new (0, 0, image_width, 1, 1, image_width));
shell->hsb = gtk_hscrollbar_new (shell->hsbdata);
GTK_WIDGET_UNSET_FLAGS (shell->hsb, GTK_CAN_FOCUS);
/* the vertical scrollbar */
shell->vsbdata =
GTK_ADJUSTMENT (gtk_adjustment_new (0, 0, image_height, 1, 1, image_height));
shell->vsb = gtk_vscrollbar_new (shell->vsbdata);
GTK_WIDGET_UNSET_FLAGS (shell->vsb, GTK_CAN_FOCUS);
/* create the contents of the inner_table ********************************/
/* the menu popup button */
shell->origin = gtk_button_new ();
GTK_WIDGET_UNSET_FLAGS (shell->origin, GTK_CAN_FOCUS);
image = gtk_image_new_from_stock (GIMP_STOCK_MENU_RIGHT, GTK_ICON_SIZE_MENU);
gtk_container_add (GTK_CONTAINER (shell->origin), image);
gtk_widget_show (image);
g_signal_connect (shell->origin, "button_press_event",
G_CALLBACK (gimp_display_shell_origin_button_press),
shell);
gimp_help_set_help_data (shell->origin, NULL,
GIMP_HELP_IMAGE_WINDOW_ORIGIN_BUTTON);
shell->canvas = gimp_canvas_new ();
shell->select = gimp_display_shell_selection_new (shell);
/* the horizontal ruler */
shell->hrule = gtk_hruler_new ();
gtk_widget_set_events (GTK_WIDGET (shell->hrule),
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
g_signal_connect_swapped (shell->canvas, "motion_notify_event",
G_CALLBACK (GTK_WIDGET_GET_CLASS (shell->hrule)->motion_notify_event),
shell->hrule);
g_signal_connect (shell->hrule, "button_press_event",
G_CALLBACK (gimp_display_shell_hruler_button_press),
shell);
gimp_help_set_help_data (shell->hrule, NULL, GIMP_HELP_IMAGE_WINDOW_RULER);
/* the vertical ruler */
shell->vrule = gtk_vruler_new ();
gtk_widget_set_events (GTK_WIDGET (shell->vrule),
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
g_signal_connect_swapped (shell->canvas, "motion_notify_event",
G_CALLBACK (GTK_WIDGET_GET_CLASS (shell->vrule)->motion_notify_event),
shell->vrule);
g_signal_connect (shell->vrule, "button_press_event",
G_CALLBACK (gimp_display_shell_vruler_button_press),
shell);
gimp_help_set_help_data (shell->vrule, NULL, GIMP_HELP_IMAGE_WINDOW_RULER);
/* the canvas */
gtk_widget_set_size_request (shell->canvas, n_width, n_height);
gtk_widget_set_events (shell->canvas, GIMP_DISPLAY_SHELL_CANVAS_EVENT_MASK);
gtk_widget_set_extension_events (shell->canvas, GDK_EXTENSION_EVENTS_ALL);
GTK_WIDGET_SET_FLAGS (shell->canvas, GTK_CAN_FOCUS);
g_signal_connect (shell->canvas, "realize",
G_CALLBACK (gimp_display_shell_canvas_realize),
shell);
/* set the active display before doing any other canvas event processing */
g_signal_connect (shell->canvas, "event",
G_CALLBACK (gimp_display_shell_events),
shell);
g_signal_connect (shell->canvas, "expose_event",
G_CALLBACK (gimp_display_shell_canvas_expose),
shell);
g_signal_connect (shell->canvas, "configure_event",
G_CALLBACK (gimp_display_shell_canvas_configure),
shell);
g_signal_connect (shell->canvas, "event",
G_CALLBACK (gimp_display_shell_canvas_tool_events),
shell);
/* create the contents of the right_vbox *********************************/
shell->padding_button = gimp_color_panel_new (_("Set Canvas Padding Color"),
&shell->options->padding_color,
GIMP_COLOR_AREA_FLAT,
15, 15);
GTK_WIDGET_UNSET_FLAGS (shell->padding_button, GTK_CAN_FOCUS);
gimp_color_panel_set_context (GIMP_COLOR_PANEL (shell->padding_button),
gimp_get_user_context (gdisp->gimage->gimp));
gimp_help_set_help_data (shell->padding_button,
_("Set canvas padding color"),
GIMP_HELP_IMAGE_WINDOW_PADDING_BUTTON);
g_signal_connect (shell->padding_button, "button_press_event",
G_CALLBACK (gimp_display_shell_color_button_press),
shell);
g_signal_connect (shell->padding_button, "color_changed",
G_CALLBACK (gimp_display_shell_color_button_changed),
shell);
{
static GtkItemFactoryEntry menu_items[] =
{
{ N_("/From _Theme"), NULL,
gimp_display_shell_color_button_menu_callback,
GIMP_CANVAS_PADDING_MODE_DEFAULT, NULL },
{ N_("/_Light Check Color"), NULL,
gimp_display_shell_color_button_menu_callback,
GIMP_CANVAS_PADDING_MODE_LIGHT_CHECK, NULL },
{ N_("/_Dark Check Color"), NULL,
gimp_display_shell_color_button_menu_callback,
GIMP_CANVAS_PADDING_MODE_DARK_CHECK, NULL },
{ "/---", NULL, NULL, 0, "<Separator>"},
{ N_("/Select _Custom Color..."), NULL,
gimp_display_shell_color_button_menu_callback,
GIMP_CANVAS_PADDING_MODE_CUSTOM, "<StockItem>",
GTK_STOCK_SELECT_COLOR },
{ N_("/As in _Preferences"), NULL,
gimp_display_shell_color_button_menu_callback,
0xffff, "<StockItem>",
GIMP_STOCK_RESET }
};
GtkItemFactory *item_factory;
item_factory =
GTK_ITEM_FACTORY (GIMP_COLOR_BUTTON (shell->padding_button)->popup_menu);
gtk_item_factory_create_items (item_factory,
G_N_ELEMENTS (menu_items), menu_items,
shell);
}
/* create the contents of the lower_hbox *********************************/
/* the qmask button */
shell->qmask = gtk_check_button_new ();
gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (shell->qmask), FALSE);
gtk_widget_set_size_request (GTK_WIDGET (shell->qmask), 16, 16);
GTK_WIDGET_UNSET_FLAGS (shell->qmask, GTK_CAN_FOCUS);
image = gtk_image_new_from_stock (GIMP_STOCK_QMASK_OFF, GTK_ICON_SIZE_MENU);
gtk_container_add (GTK_CONTAINER (shell->qmask), image);
gtk_widget_show (image);
gimp_help_set_help_data (shell->qmask,
_("Toggle QuickMask"),
GIMP_HELP_IMAGE_WINDOW_QMASK_BUTTON);
g_signal_connect (shell->qmask, "toggled",
G_CALLBACK (gimp_display_shell_qmask_toggled),
shell);
g_signal_connect (shell->qmask, "button_press_event",
G_CALLBACK (gimp_display_shell_qmask_button_press),
shell);
/* the navigation window button */
shell->nav_ebox = gtk_event_box_new ();
image = gtk_image_new_from_stock (GIMP_STOCK_NAVIGATION, GTK_ICON_SIZE_MENU);
gtk_container_add (GTK_CONTAINER (shell->nav_ebox), image);
gtk_widget_show (image);
g_signal_connect (shell->nav_ebox, "button_press_event",
G_CALLBACK (gimp_display_shell_nav_button_press),
shell);
gimp_help_set_help_data (shell->nav_ebox, NULL,
GIMP_HELP_IMAGE_WINDOW_NAV_BUTTON);
/* create the contents of the status area *********************************/
/* the statusbar */
shell->statusbar = gimp_statusbar_new (shell);
gtk_statusbar_set_has_resize_grip (GTK_STATUSBAR (shell->statusbar), FALSE);
gimp_help_set_help_data (shell->statusbar, NULL,
GIMP_HELP_IMAGE_WINDOW_STATUS_BAR);
/* pack all the widgets **************************************************/
/* fill the inner_table */
gtk_table_attach (GTK_TABLE (inner_table), shell->origin, 0, 1, 0, 1,
GTK_FILL, GTK_FILL, 0, 0);
gtk_table_attach (GTK_TABLE (inner_table), shell->hrule, 1, 2, 0, 1,
GTK_EXPAND | GTK_SHRINK | GTK_FILL, GTK_FILL, 0, 0);
gtk_table_attach (GTK_TABLE (inner_table), shell->vrule, 0, 1, 1, 2,
GTK_FILL, GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0);
gtk_table_attach (GTK_TABLE (inner_table), shell->canvas, 1, 2, 1, 2,
GTK_EXPAND | GTK_SHRINK | GTK_FILL,
GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0);
/* fill the right_vbox */
gtk_box_pack_start (GTK_BOX (right_vbox), shell->padding_button,
FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (right_vbox), shell->vsb, TRUE, TRUE, 0);
/* fill the lower_hbox */
gtk_box_pack_start (GTK_BOX (lower_hbox), shell->qmask, FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (lower_hbox), shell->hsb, TRUE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (lower_hbox), shell->nav_ebox, FALSE, FALSE, 0);
gtk_box_pack_end (GTK_BOX (main_vbox), shell->statusbar, FALSE, FALSE, 0);
/* show everything *******************************************************/
if (shell->options->show_rulers)
{
gtk_widget_show (shell->origin);
gtk_widget_show (shell->hrule);
gtk_widget_show (shell->vrule);
}
gtk_widget_show (GTK_WIDGET (shell->canvas));
if (shell->options->show_scrollbars)
{
gtk_widget_show (shell->vsb);
gtk_widget_show (shell->hsb);
gtk_widget_show (shell->padding_button);
gtk_widget_show (shell->qmask);
gtk_widget_show (shell->nav_ebox);
}
if (shell->options->show_statusbar)
gtk_widget_show (shell->statusbar);
gtk_widget_show (main_vbox);
gimp_display_shell_connect (shell);
return GTK_WIDGET (shell);
}
void
gimp_display_shell_close (GimpDisplayShell *shell,
gboolean kill_it)
{
GimpImage *gimage;
gimage = shell->gdisp->gimage;
/* FIXME: gimp_busy HACK not really appropriate here because we only
* want to prevent the busy image and display to be closed. --Mitch
*/
if (gimage->gimp->busy)
return;
/* If the image has been modified, give the user a chance to save
* it before nuking it--this only applies if its the last view
* to an image canvas. (a gimage with disp_count = 1)
*/
if (! kill_it &&
gimage->disp_count == 1 &&
gimage->dirty &&
GIMP_DISPLAY_CONFIG (gimage->gimp->config)->confirm_on_close)
{
gimp_display_shell_close_warning_dialog (shell, gimage);
}
else
{
gimp_display_delete (shell->gdisp);
}
}
void
gimp_display_shell_reconnect (GimpDisplayShell *shell)
{
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));
gimp_display_shell_connect (shell);
gimp_statusbar_resize_cursor (GIMP_STATUSBAR (shell->statusbar));
gimp_display_shell_scale_setup (shell);
g_signal_emit (shell, display_shell_signals[RECONNECT], 0);
}
void
gimp_display_shell_scaled (GimpDisplayShell *shell)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
g_signal_emit (shell, display_shell_signals[SCALED], 0);
}
void
gimp_display_shell_scrolled (GimpDisplayShell *shell)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
g_signal_emit (shell, display_shell_signals[SCROLLED], 0);
}
void
gimp_display_shell_snap_coords (GimpDisplayShell *shell,
GimpCoords *coords,
GimpCoords *snapped_coords,
gint snap_offset_x,
gint snap_offset_y,
gint snap_width,
gint snap_height)
{
gboolean snap_to_guides = FALSE;
gboolean snap_to_grid = FALSE;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
g_return_if_fail (coords != NULL);
g_return_if_fail (snapped_coords != NULL);
*snapped_coords = *coords;
if (shell->snap_to_guides &&
shell->gdisp->gimage->guides)
{
snap_to_guides = TRUE;
}
if (gimp_display_shell_get_snap_to_grid (shell) &&
shell->gdisp->gimage->grid)
{
snap_to_grid = TRUE;
}
if (snap_to_guides || snap_to_grid)
{
gboolean snapped;
gint tx, ty;
if (snap_width > 0 && snap_height > 0)
{
snapped = gimp_image_snap_rectangle (shell->gdisp->gimage,
coords->x + snap_offset_x,
coords->y + snap_offset_y,
coords->x + snap_offset_x +
snap_width,
coords->y + snap_offset_y +
snap_height,
&tx,
&ty,
snap_to_guides,
snap_to_grid);
}
else
{
snapped = gimp_image_snap_point (shell->gdisp->gimage,
coords->x + snap_offset_x,
coords->y + snap_offset_y,
&tx,
&ty,
snap_to_guides,
snap_to_grid);
}
if (snapped)
{
snapped_coords->x = tx - snap_offset_x;
snapped_coords->y = ty - snap_offset_y;
}
}
}
gboolean
gimp_display_shell_mask_bounds (GimpDisplayShell *shell,
gint *x1,
gint *y1,
gint *x2,
gint *y2)
{
GimpLayer *layer;
gint off_x;
gint off_y;
g_return_val_if_fail (GIMP_IS_DISPLAY_SHELL (shell), FALSE);
g_return_val_if_fail (x1 != NULL, FALSE);
g_return_val_if_fail (y1 != NULL, FALSE);
g_return_val_if_fail (x2 != NULL, FALSE);
g_return_val_if_fail (y2 != NULL, FALSE);
/* If there is a floating selection, handle things differently */
if ((layer = gimp_image_floating_sel (shell->gdisp->gimage)))
{
gimp_item_offsets (GIMP_ITEM (layer), &off_x, &off_y);
if (! gimp_channel_bounds (gimp_image_get_mask (shell->gdisp->gimage),
x1, y1, x2, y2))
{
*x1 = off_x;
*y1 = off_y;
*x2 = off_x + gimp_item_width (GIMP_ITEM (layer));
*y2 = off_y + gimp_item_height (GIMP_ITEM (layer));
}
else
{
*x1 = MIN (off_x, *x1);
*y1 = MIN (off_y, *y1);
*x2 = MAX (off_x + gimp_item_width (GIMP_ITEM (layer)), *x2);
*y2 = MAX (off_y + gimp_item_height (GIMP_ITEM (layer)), *y2);
}
}
else if (! gimp_channel_bounds (gimp_image_get_mask (shell->gdisp->gimage),
x1, y1, x2, y2))
{
return FALSE;
}
gimp_display_shell_transform_xy (shell, *x1, *y1, x1, y1, 0);
gimp_display_shell_transform_xy (shell, *x2, *y2, x2, y2, 0);
/* Make sure the extents are within bounds */
*x1 = CLAMP (*x1, 0, shell->disp_width);
*y1 = CLAMP (*y1, 0, shell->disp_height);
*x2 = CLAMP (*x2, 0, shell->disp_width);
*y2 = CLAMP (*y2, 0, shell->disp_height);
return TRUE;
}
void
gimp_display_shell_expose_area (GimpDisplayShell *shell,
gint x,
gint y,
gint w,
gint h)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
gtk_widget_queue_draw_area (shell->canvas, x, y, w, h);
}
void
gimp_display_shell_expose_guide (GimpDisplayShell *shell,
GimpGuide *guide)
{
gint x;
gint y;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
g_return_if_fail (guide != NULL);
if (guide->position < 0)
return;
gimp_display_shell_transform_xy (shell,
guide->position,
guide->position,
&x, &y,
FALSE);
switch (guide->orientation)
{
case GIMP_ORIENTATION_HORIZONTAL:
gimp_display_shell_expose_area (shell, 0, y, shell->disp_width, 1);
break;
case GIMP_ORIENTATION_VERTICAL:
gimp_display_shell_expose_area (shell, x, 0, 1, shell->disp_height);
break;
default:
break;
}
}
void
gimp_display_shell_expose_full (GimpDisplayShell *shell)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
gtk_widget_queue_draw (shell->canvas);
}
void
gimp_display_shell_flush (GimpDisplayShell *shell,
gboolean now)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
gimp_display_shell_update_title (shell);
if (now)
gdk_window_process_updates (shell->canvas->window, FALSE);
}
void
gimp_display_shell_pause (GimpDisplayShell *shell)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
shell->paused_count++;
if (shell->paused_count == 1)
{
/* pause the currently active tool */
tool_manager_control_active (shell->gdisp->gimage->gimp, PAUSE,
shell->gdisp);
gimp_display_shell_draw_vectors (shell);
}
}
void
gimp_display_shell_resume (GimpDisplayShell *shell)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
g_return_if_fail (shell->paused_count > 0);
shell->paused_count--;
if (shell->paused_count == 0)
{
gimp_display_shell_draw_vectors (shell);
/* start the currently active tool */
tool_manager_control_active (shell->gdisp->gimage->gimp, RESUME,
shell->gdisp);
}
}
void
gimp_display_shell_update_icon (GimpDisplayShell *shell)
{
GdkPixbuf *pixbuf;
gint width, height;
gdouble factor;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
factor = ((gdouble) gimp_image_get_height (shell->gdisp->gimage) /
(gdouble) gimp_image_get_width (shell->gdisp->gimage));
if (factor >= 1)
{
height = MAX (shell->icon_size, 1);
width = MAX (((gdouble) shell->icon_size) / factor, 1);
}
else
{
height = MAX (((gdouble) shell->icon_size) * factor, 1);
width = MAX (shell->icon_size, 1);
}
pixbuf =
gimp_viewable_get_new_preview_pixbuf (GIMP_VIEWABLE (shell->gdisp->gimage),
width, height);
gtk_window_set_icon (GTK_WINDOW (shell), pixbuf);
if (pixbuf)
g_object_unref (pixbuf);
}
void
gimp_display_shell_draw_guide (GimpDisplayShell *shell,
GimpGuide *guide,
gboolean active)
{
gint x1, x2;
gint y1, y2;
gint x, y;
gint w, h;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
g_return_if_fail (guide != NULL);
if (guide->position < 0)
return;
gimp_display_shell_transform_xy (shell, 0, 0, &x1, &y1, FALSE);
gimp_display_shell_transform_xy (shell,
shell->gdisp->gimage->width,
shell->gdisp->gimage->height,
&x2, &y2, FALSE);
gdk_drawable_get_size (shell->canvas->window, &w, &h);
if (x1 < 0) x1 = 0;
if (y1 < 0) y1 = 0;
if (x2 > w) x2 = w;
if (y2 > h) y2 = h;
switch (guide->orientation)
{
case GIMP_ORIENTATION_HORIZONTAL:
gimp_display_shell_transform_xy (shell,
0, guide->position, &x, &y, FALSE);
y1 = y2 = y;
break;
case GIMP_ORIENTATION_VERTICAL:
gimp_display_shell_transform_xy (shell,
guide->position, 0, &x, &y, FALSE);
x1 = x2 = x;
break;
case GIMP_ORIENTATION_UNKNOWN:
return;
}
gimp_canvas_draw_line (GIMP_CANVAS (shell->canvas),
(active ?
GIMP_CANVAS_STYLE_GUIDE_ACTIVE :
GIMP_CANVAS_STYLE_GUIDE_NORMAL), x1, y1, x2, y2);
}
void
gimp_display_shell_draw_guides (GimpDisplayShell *shell)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
if (gimp_display_shell_get_show_guides (shell))
{
GList *list;
for (list = shell->gdisp->gimage->guides; list; list = list->next)
{
gimp_display_shell_draw_guide (shell,
(GimpGuide *) list->data,
FALSE);
}
}
}
void
gimp_display_shell_draw_grid (GimpDisplayShell *shell)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
if (gimp_display_shell_get_show_grid (shell))
{
GimpGrid *grid;
GimpCanvas *canvas;
GdkGC *gc;
gint x1, x2;
gint y1, y2;
gint x, y;
gint x_real, y_real;
gint width, height;
const gint length = 2;
grid = GIMP_GRID (shell->gdisp->gimage->grid);
if (grid == NULL)
return;
gimp_display_shell_transform_xy (shell, 0, 0, &x1, &y1, FALSE);
gimp_display_shell_transform_xy (shell,
shell->gdisp->gimage->width,
shell->gdisp->gimage->height,
&x2, &y2, FALSE);
width = shell->gdisp->gimage->width;
height = shell->gdisp->gimage->height;
canvas = GIMP_CANVAS (shell->canvas);
gc = gimp_display_shell_grid_gc_new (shell->canvas, grid);
gimp_canvas_set_custom_gc (canvas, gc);
g_object_unref (gc);
switch (grid->style)
{
case GIMP_GRID_DOTS:
for (x = grid->xoffset; x <= width; x += grid->xspacing)
{
for (y = grid->yoffset; y <= height; y += grid->yspacing)
{
gimp_display_shell_transform_xy (shell,
x, y, &x_real, &y_real,
FALSE);
if (x_real >= x1 && x_real < x2 &&
y_real >= y1 && y_real < y2)
{
gimp_canvas_draw_point (GIMP_CANVAS (shell->canvas),
GIMP_CANVAS_STYLE_CUSTOM,
x_real, y_real);
}
}
}
break;
case GIMP_GRID_INTERSECTIONS:
for (x = grid->xoffset; x <= width; x += grid->xspacing)
{
for (y = grid->yoffset; y <= height; y += grid->yspacing)
{
gimp_display_shell_transform_xy (shell,
x, y, &x_real, &y_real,
FALSE);
if (x_real >= x1 && x_real < x2)
gimp_canvas_draw_line (canvas, GIMP_CANVAS_STYLE_CUSTOM,
x_real,
CLAMP (y_real - length, y1, y2 - 1),
x_real,
CLAMP (y_real + length, y1, y2 - 1));
if (y_real >= y1 && y_real < y2)
gimp_canvas_draw_line (canvas, GIMP_CANVAS_STYLE_CUSTOM,
CLAMP (x_real - length, x1, x2 - 1),
y_real,
CLAMP (x_real + length, x1, x2 - 1),
y_real);
}
}
break;
case GIMP_GRID_ON_OFF_DASH:
case GIMP_GRID_DOUBLE_DASH:
case GIMP_GRID_SOLID:
for (x = grid->xoffset; x < width; x += grid->xspacing)
{
gimp_display_shell_transform_xy (shell,
x, 0, &x_real, &y_real,
FALSE);
if (x_real > x1)
gimp_canvas_draw_line (canvas, GIMP_CANVAS_STYLE_CUSTOM,
x_real, y1, x_real, y2 - 1);
}
for (y = grid->yoffset; y < height; y += grid->yspacing)
{
gimp_display_shell_transform_xy (shell,
0, y, &x_real, &y_real,
FALSE);
if (y_real > y1)
gimp_canvas_draw_line (canvas, GIMP_CANVAS_STYLE_CUSTOM,
x1, y_real, x2 - 1, y_real);
}
break;
}
gimp_canvas_set_custom_gc (canvas, NULL);
}
}
void
gimp_display_shell_draw_vector (GimpDisplayShell *shell,
GimpVectors *vectors)
{
GimpStroke *stroke = NULL;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
g_return_if_fail (GIMP_IS_VECTORS (vectors));
while ((stroke = gimp_vectors_stroke_get_next (vectors, stroke)))
{
GArray *coords;
gboolean closed;
coords = gimp_stroke_interpolate (stroke, 1.0, &closed);
if (coords && coords->len)
{
GimpCoords *coord;
GdkPoint *gdk_coords;
gint i;
gdouble sx, sy;
gdk_coords = g_new (GdkPoint, coords->len);
for (i = 0; i < coords->len; i++)
{
coord = &g_array_index (coords, GimpCoords, i);
gimp_display_shell_transform_xy_f (shell,
coord->x, coord->y,
&sx, &sy,
FALSE);
gdk_coords[i].x = ROUND (sx);
gdk_coords[i].y = ROUND (sy);
}
gimp_canvas_draw_lines (GIMP_CANVAS (shell->canvas),
GIMP_CANVAS_STYLE_XOR,
gdk_coords, coords->len);
g_free (gdk_coords);
}
if (coords)
g_array_free (coords, TRUE);
}
}
void
gimp_display_shell_draw_vectors (GimpDisplayShell *shell)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
if (TRUE /* gimp_display_shell_get_show_vectors (shell) */)
{
GList *list;
for (list = GIMP_LIST (shell->gdisp->gimage->vectors)->list;
list;
list = list->next)
{
GimpVectors *vectors = list->data;
if (gimp_item_get_visible (GIMP_ITEM (vectors)))
gimp_display_shell_draw_vector (shell, vectors);
}
}
}
void
gimp_display_shell_draw_area (GimpDisplayShell *shell,
gint x,
gint y,
gint w,
gint h)
{
gint sx, sy;
gint x1, y1;
gint x2, y2;
gint dx, dy;
gint i, j;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
sx = SCALEX (shell, shell->gdisp->gimage->width);
sy = SCALEY (shell, shell->gdisp->gimage->height);
/* Bounds checks */
x1 = CLAMP (x, 0, shell->disp_width);
y1 = CLAMP (y, 0, shell->disp_height);
x2 = CLAMP (x + w, 0, shell->disp_width);
y2 = CLAMP (y + h, 0, shell->disp_height);
x1 = MAX (x1, shell->disp_xoffset);
y1 = MAX (y1, shell->disp_yoffset);
x2 = MIN (x2, shell->disp_xoffset + sx);
y2 = MIN (y2, shell->disp_yoffset + sy);
/* display the image in RENDER_BUF_WIDTH x RENDER_BUF_HEIGHT sized chunks */
for (i = y1; i < y2; i += GIMP_DISPLAY_SHELL_RENDER_BUF_HEIGHT)
{
for (j = x1; j < x2; j += GIMP_DISPLAY_SHELL_RENDER_BUF_WIDTH)
{
dx = MIN (x2 - j, GIMP_DISPLAY_SHELL_RENDER_BUF_WIDTH);
dy = MIN (y2 - i, GIMP_DISPLAY_SHELL_RENDER_BUF_HEIGHT);
gimp_display_shell_render (shell,
j - shell->disp_xoffset,
i - shell->disp_yoffset,
dx, dy);
#ifdef STRESS_TEST
/* Invalidate the projection just after we render it! */
gimp_image_invalidate_without_render (shell->gdisp->gimage,
j - shell->disp_xoffset,
i - shell->disp_yoffset,
dx, dy,
0, 0, 0, 0);
#endif
}
}
}
void
gimp_display_shell_draw_cursor (GimpDisplayShell *shell)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
gimp_canvas_draw_cursor (GIMP_CANVAS (shell->canvas),
shell->cursor_x, shell->cursor_y);
}
void
gimp_display_shell_shrink_wrap (GimpDisplayShell *shell)
{
GtkWidget *widget;
GdkScreen *screen;
GdkRectangle rect;
gint monitor;
gint disp_width, disp_height;
gint width, height;
gint max_auto_width, max_auto_height;
gint border_x, border_y;
gboolean resize = FALSE;
g_return_if_fail (GTK_WIDGET_REALIZED (shell));
widget = GTK_WIDGET (shell);
screen = gtk_widget_get_screen (widget);
monitor = gdk_screen_get_monitor_at_window (screen, widget->window);
gdk_screen_get_monitor_geometry (screen, monitor, &rect);
width = SCALEX (shell, shell->gdisp->gimage->width);
height = SCALEY (shell, shell->gdisp->gimage->height);
disp_width = shell->disp_width;
disp_height = shell->disp_height;
border_x = widget->allocation.width - disp_width;
border_y = widget->allocation.height - disp_height;
max_auto_width = (rect.width - border_x) * 0.75;
max_auto_height = (rect.height - border_y) * 0.75;
/* If one of the display dimensions has changed and one of the
* dimensions fits inside the screen
*/
if (((width + border_x) < rect.width || (height + border_y) < rect.height) &&
(width != disp_width || height != disp_height))
{
width = ((width + border_x) < rect.width) ? width : max_auto_width;
height = ((height + border_y) < rect.height) ? height : max_auto_height;
resize = TRUE;
}
/* If the projected dimension is greater than current, but less than
* 3/4 of the screen size, expand automagically
*/
else if ((width > disp_width || height > disp_height) &&
(disp_width < max_auto_width || disp_height < max_auto_height))
{
width = MIN (max_auto_width, width);
height = MIN (max_auto_height, height);
resize = TRUE;
}
if (resize)
{
if (width < shell->statusbar->requisition.width)
width = shell->statusbar->requisition.width;
gtk_window_resize (GTK_WINDOW (shell),
width + border_x,
height + border_y);
}
}
void
gimp_display_shell_selection_visibility (GimpDisplayShell *shell,
GimpSelectionControl control)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
if (shell->select)
{
switch (control)
{
case GIMP_SELECTION_OFF:
gimp_display_shell_selection_invis (shell->select);
break;
case GIMP_SELECTION_LAYER_OFF:
gimp_display_shell_selection_layer_invis (shell->select);
break;
case GIMP_SELECTION_ON:
gimp_display_shell_selection_start (shell->select, TRUE);
break;
case GIMP_SELECTION_PAUSE:
gimp_display_shell_selection_pause (shell->select);
break;
case GIMP_SELECTION_RESUME:
gimp_display_shell_selection_resume (shell->select);
break;
}
}
}
/* private functions */
static GdkGC *
gimp_display_shell_grid_gc_new (GtkWidget *widget,
GimpGrid *grid)
{
GdkGC *gc;
GdkGCValues values;
GdkColor fg, bg;
switch (grid->style)
{
case GIMP_GRID_ON_OFF_DASH:
values.line_style = GDK_LINE_ON_OFF_DASH;
break;
case GIMP_GRID_DOUBLE_DASH:
values.line_style = GDK_LINE_DOUBLE_DASH;
break;
case GIMP_GRID_DOTS:
case GIMP_GRID_INTERSECTIONS:
case GIMP_GRID_SOLID:
values.line_style = GDK_LINE_SOLID;
break;
}
values.join_style = GDK_JOIN_MITER;
gc = gdk_gc_new_with_values (widget->window,
&values, GDK_GC_LINE_STYLE | GDK_GC_JOIN_STYLE);
gimp_rgb_get_gdk_color (&grid->fgcolor, &fg);
gimp_rgb_get_gdk_color (&grid->bgcolor, &bg);
gdk_gc_set_rgb_fg_color (gc, &fg);
gdk_gc_set_rgb_bg_color (gc, &bg);
return gc;
}
static void
gimp_display_shell_close_warning_dialog (GimpDisplayShell *shell,
GimpImage *gimage)
{
gchar *name;
gchar *title;
gchar *warning;
if (shell->warning_dialog)
{
gtk_window_present (GTK_WINDOW (shell->warning_dialog));
return;
}
name = file_utils_uri_to_utf8_basename (gimp_image_get_uri (gimage));
title = g_strdup_printf (_("Close %s?"), name);
warning = g_strdup_printf (_("Changes were made to '%s'. "
"Close anyway?"), name);
shell->warning_dialog =
gimp_query_boolean_box (title,
GTK_WIDGET (shell),
gimp_standard_help_func,
GIMP_HELP_FILE_CLOSE_CONFIRM,
GIMP_STOCK_QUESTION,
warning,
GTK_STOCK_CLOSE, GTK_STOCK_CANCEL,
NULL, NULL,
gimp_display_shell_close_warning_callback,
shell);
g_free (name);
g_free (title);
g_free (warning);
gtk_widget_show (shell->warning_dialog);
}
static void
gimp_display_shell_close_warning_callback (GtkWidget *widget,
gboolean close,
gpointer data)
{
GimpDisplayShell *shell;
shell = GIMP_DISPLAY_SHELL (data);
shell->warning_dialog = NULL;
if (close)
gimp_display_delete (shell->gdisp);
}
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