Files
gimp/app/display/gimpdisplay.c
Michael Natterer f4af9b549e Globally switch to saying "window_id" instead of just "window"
when dealing with native window handles. Also get rid of using
GdkNativeWindow and simply consistently use guint32 all over the
place. This is more obvious and consistent and keeps the diff to the
gtk3-port branch smaller.
2011-02-06 12:07:55 +01:00

890 lines
26 KiB
C

/* GIMP - The GNU 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpmath/gimpmath.h"
#include "display-types.h"
#include "tools/tools-types.h"
#include "config/gimpguiconfig.h"
#include "core/gimp.h"
#include "core/gimparea.h"
#include "core/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "core/gimpimage.h"
#include "core/gimpprogress.h"
#include "tools/gimptool.h"
#include "tools/tool_manager.h"
#include "gimpdisplay.h"
#include "gimpdisplay-handlers.h"
#include "gimpdisplayshell.h"
#include "gimpdisplayshell-expose.h"
#include "gimpdisplayshell-handlers.h"
#include "gimpdisplayshell-icon.h"
#include "gimpdisplayshell-transform.h"
#include "gimpimagewindow.h"
#include "gimp-intl.h"
#define FLUSH_NOW_INTERVAL 20000 /* 20 ms in microseconds */
enum
{
PROP_0,
PROP_ID,
PROP_GIMP,
PROP_IMAGE,
PROP_SHELL
};
typedef struct _GimpDisplayPrivate GimpDisplayPrivate;
struct _GimpDisplayPrivate
{
gint ID; /* unique identifier for this display */
GimpImage *image; /* pointer to the associated image */
gint instance; /* the instance # of this display as
* taken from the image at creation */
GtkWidget *shell;
GSList *update_areas;
GTimeVal last_flush_now;
};
#define GIMP_DISPLAY_GET_PRIVATE(display) \
G_TYPE_INSTANCE_GET_PRIVATE (display, \
GIMP_TYPE_DISPLAY, \
GimpDisplayPrivate)
/* local function prototypes */
static void gimp_display_progress_iface_init (GimpProgressInterface *iface);
static void gimp_display_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_display_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static GimpProgress * gimp_display_progress_start (GimpProgress *progress,
const gchar *message,
gboolean cancelable);
static void gimp_display_progress_end (GimpProgress *progress);
static gboolean gimp_display_progress_is_active (GimpProgress *progress);
static void gimp_display_progress_set_text (GimpProgress *progress,
const gchar *message);
static void gimp_display_progress_set_value (GimpProgress *progress,
gdouble percentage);
static gdouble gimp_display_progress_get_value (GimpProgress *progress);
static void gimp_display_progress_pulse (GimpProgress *progress);
static guint32 gimp_display_progress_get_window_id (GimpProgress *progress);
static gboolean gimp_display_progress_message (GimpProgress *progress,
Gimp *gimp,
GimpMessageSeverity severity,
const gchar *domain,
const gchar *message);
static void gimp_display_progress_canceled (GimpProgress *progress,
GimpDisplay *display);
static void gimp_display_flush_whenever (GimpDisplay *display,
gboolean now);
static void gimp_display_paint_area (GimpDisplay *display,
gint x,
gint y,
gint w,
gint h);
G_DEFINE_TYPE_WITH_CODE (GimpDisplay, gimp_display, GIMP_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (GIMP_TYPE_PROGRESS,
gimp_display_progress_iface_init))
#define parent_class gimp_display_parent_class
static void
gimp_display_class_init (GimpDisplayClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->set_property = gimp_display_set_property;
object_class->get_property = gimp_display_get_property;
g_object_class_install_property (object_class, PROP_ID,
g_param_spec_int ("id",
NULL, NULL,
0, G_MAXINT, 0,
GIMP_PARAM_READABLE));
g_object_class_install_property (object_class, PROP_GIMP,
g_param_spec_object ("gimp",
NULL, NULL,
GIMP_TYPE_GIMP,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_IMAGE,
g_param_spec_object ("image",
NULL, NULL,
GIMP_TYPE_IMAGE,
GIMP_PARAM_READABLE));
g_object_class_install_property (object_class, PROP_SHELL,
g_param_spec_object ("shell",
NULL, NULL,
GIMP_TYPE_DISPLAY_SHELL,
GIMP_PARAM_READABLE));
g_type_class_add_private (klass, sizeof (GimpDisplayPrivate));
}
static void
gimp_display_init (GimpDisplay *display)
{
}
static void
gimp_display_progress_iface_init (GimpProgressInterface *iface)
{
iface->start = gimp_display_progress_start;
iface->end = gimp_display_progress_end;
iface->is_active = gimp_display_progress_is_active;
iface->set_text = gimp_display_progress_set_text;
iface->set_value = gimp_display_progress_set_value;
iface->get_value = gimp_display_progress_get_value;
iface->pulse = gimp_display_progress_pulse;
iface->get_window_id = gimp_display_progress_get_window_id;
iface->message = gimp_display_progress_message;
}
static void
gimp_display_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpDisplay *display = GIMP_DISPLAY (object);
GimpDisplayPrivate *private = GIMP_DISPLAY_GET_PRIVATE (display);
switch (property_id)
{
case PROP_GIMP:
{
gint ID;
display->gimp = g_value_get_object (value); /* don't ref the gimp */
display->config = GIMP_DISPLAY_CONFIG (display->gimp->config);
do
{
ID = display->gimp->next_display_ID++;
if (display->gimp->next_display_ID == G_MAXINT)
display->gimp->next_display_ID = 1;
}
while (gimp_display_get_by_ID (display->gimp, ID));
private->ID = ID;
}
break;
case PROP_ID:
case PROP_IMAGE:
case PROP_SHELL:
g_assert_not_reached ();
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_display_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpDisplay *display = GIMP_DISPLAY (object);
GimpDisplayPrivate *private = GIMP_DISPLAY_GET_PRIVATE (display);
switch (property_id)
{
case PROP_ID:
g_value_set_int (value, private->ID);
break;
case PROP_GIMP:
g_value_set_object (value, display->gimp);
break;
case PROP_IMAGE:
g_value_set_object (value, private->image);
break;
case PROP_SHELL:
g_value_set_object (value, private->shell);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static GimpProgress *
gimp_display_progress_start (GimpProgress *progress,
const gchar *message,
gboolean cancelable)
{
GimpDisplay *display = GIMP_DISPLAY (progress);
GimpDisplayPrivate *private = GIMP_DISPLAY_GET_PRIVATE (display);
if (private->shell)
return gimp_progress_start (GIMP_PROGRESS (private->shell),
message, cancelable);
return NULL;
}
static void
gimp_display_progress_end (GimpProgress *progress)
{
GimpDisplay *display = GIMP_DISPLAY (progress);
GimpDisplayPrivate *private = GIMP_DISPLAY_GET_PRIVATE (display);
if (private->shell)
gimp_progress_end (GIMP_PROGRESS (private->shell));
}
static gboolean
gimp_display_progress_is_active (GimpProgress *progress)
{
GimpDisplay *display = GIMP_DISPLAY (progress);
GimpDisplayPrivate *private = GIMP_DISPLAY_GET_PRIVATE (display);
if (private->shell)
return gimp_progress_is_active (GIMP_PROGRESS (private->shell));
return FALSE;
}
static void
gimp_display_progress_set_text (GimpProgress *progress,
const gchar *message)
{
GimpDisplay *display = GIMP_DISPLAY (progress);
GimpDisplayPrivate *private = GIMP_DISPLAY_GET_PRIVATE (display);
if (private->shell)
gimp_progress_set_text (GIMP_PROGRESS (private->shell), message);
}
static void
gimp_display_progress_set_value (GimpProgress *progress,
gdouble percentage)
{
GimpDisplay *display = GIMP_DISPLAY (progress);
GimpDisplayPrivate *private = GIMP_DISPLAY_GET_PRIVATE (display);
if (private->shell)
gimp_progress_set_value (GIMP_PROGRESS (private->shell), percentage);
}
static gdouble
gimp_display_progress_get_value (GimpProgress *progress)
{
GimpDisplay *display = GIMP_DISPLAY (progress);
GimpDisplayPrivate *private = GIMP_DISPLAY_GET_PRIVATE (display);
if (private->shell)
return gimp_progress_get_value (GIMP_PROGRESS (private->shell));
return 0.0;
}
static void
gimp_display_progress_pulse (GimpProgress *progress)
{
GimpDisplay *display = GIMP_DISPLAY (progress);
GimpDisplayPrivate *private = GIMP_DISPLAY_GET_PRIVATE (display);
if (private->shell)
gimp_progress_pulse (GIMP_PROGRESS (private->shell));
}
static guint32
gimp_display_progress_get_window_id (GimpProgress *progress)
{
GimpDisplay *display = GIMP_DISPLAY (progress);
GimpDisplayPrivate *private = GIMP_DISPLAY_GET_PRIVATE (display);
if (private->shell)
return gimp_progress_get_window_id (GIMP_PROGRESS (private->shell));
return 0;
}
static gboolean
gimp_display_progress_message (GimpProgress *progress,
Gimp *gimp,
GimpMessageSeverity severity,
const gchar *domain,
const gchar *message)
{
GimpDisplay *display = GIMP_DISPLAY (progress);
GimpDisplayPrivate *private = GIMP_DISPLAY_GET_PRIVATE (display);
if (private->shell)
return gimp_progress_message (GIMP_PROGRESS (private->shell), gimp,
severity, domain, message);
return FALSE;
}
static void
gimp_display_progress_canceled (GimpProgress *progress,
GimpDisplay *display)
{
gimp_progress_cancel (GIMP_PROGRESS (display));
}
/* public functions */
GimpDisplay *
gimp_display_new (Gimp *gimp,
GimpImage *image,
GimpUnit unit,
gdouble scale,
GimpMenuFactory *menu_factory,
GimpUIManager *popup_manager,
GimpDialogFactory *dialog_factory)
{
GimpDisplay *display;
GimpDisplayPrivate *private;
GimpImageWindow *window = NULL;
GimpDisplayShell *shell;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
g_return_val_if_fail (image == NULL || GIMP_IS_IMAGE (image), NULL);
/* If there isn't an interface, never create a display */
if (gimp->no_interface)
return NULL;
display = g_object_new (GIMP_TYPE_DISPLAY,
"gimp", gimp,
NULL);
private = GIMP_DISPLAY_GET_PRIVATE (display);
/* refs the image */
if (image)
gimp_display_set_image (display, image);
/* get an image window */
if (GIMP_GUI_CONFIG (display->config)->single_window_mode)
{
GimpDisplay *active_display;
active_display = gimp_context_get_display (gimp_get_user_context (gimp));
if (! active_display)
{
active_display =
GIMP_DISPLAY (gimp_container_get_first_child (gimp->displays));
}
if (active_display)
{
GimpDisplayShell *shell = gimp_display_get_shell (active_display);
window = gimp_display_shell_get_window (shell);
}
}
if (! window)
{
window = gimp_image_window_new (gimp,
private->image,
menu_factory,
dialog_factory);
}
/* create the shell for the image */
private->shell = gimp_display_shell_new (display, unit, scale,
popup_manager);
shell = gimp_display_get_shell (display);
gimp_image_window_add_shell (window, shell);
gimp_display_shell_present (shell);
g_signal_connect (gimp_display_shell_get_statusbar (shell), "cancel",
G_CALLBACK (gimp_display_progress_canceled),
display);
/* add the display to the list */
gimp_container_add (gimp->displays, GIMP_OBJECT (display));
return display;
}
/**
* gimp_display_delete:
* @display:
*
* Closes the display and removes it from the display list. You should
* not call this function directly, use gimp_display_close() instead.
*/
void
gimp_display_delete (GimpDisplay *display)
{
GimpDisplayPrivate *private;
GimpTool *active_tool;
g_return_if_fail (GIMP_IS_DISPLAY (display));
private = GIMP_DISPLAY_GET_PRIVATE (display);
/* remove the display from the list */
gimp_container_remove (display->gimp->displays, GIMP_OBJECT (display));
/* unrefs the image */
gimp_display_set_image (display, NULL);
active_tool = tool_manager_get_active (display->gimp);
if (active_tool && active_tool->focus_display == display)
tool_manager_focus_display_active (display->gimp, NULL);
/* free the update area lists */
gimp_area_list_free (private->update_areas);
private->update_areas = NULL;
if (private->shell)
{
GimpDisplayShell *shell = gimp_display_get_shell (display);
GimpImageWindow *window = gimp_display_shell_get_window (shell);
/* set private->shell to NULL *before* destroying the shell.
* all callbacks in gimpdisplayshell-callbacks.c will check
* this pointer and do nothing if the shell is in destruction.
*/
private->shell = NULL;
if (window)
{
if (gimp_image_window_get_n_shells (window) > 1)
{
g_object_ref (shell);
gimp_image_window_remove_shell (window, shell);
gtk_widget_destroy (GTK_WIDGET (shell));
g_object_unref (shell);
}
else
{
gimp_image_window_destroy (window);
}
}
else
{
g_object_unref (shell);
}
}
g_object_unref (display);
}
/**
* gimp_display_close:
* @display:
*
* Closes the display. If this is the last display, it will remain
* open, but without an image.
*/
void
gimp_display_close (GimpDisplay *display)
{
g_return_if_fail (GIMP_IS_DISPLAY (display));
if (gimp_container_get_n_children (display->gimp->displays) > 1)
{
gimp_display_delete (display);
}
else
{
gimp_display_empty (display);
}
}
gint
gimp_display_get_ID (GimpDisplay *display)
{
GimpDisplayPrivate *private;
g_return_val_if_fail (GIMP_IS_DISPLAY (display), -1);
private = GIMP_DISPLAY_GET_PRIVATE (display);
return private->ID;
}
GimpDisplay *
gimp_display_get_by_ID (Gimp *gimp,
gint ID)
{
GList *list;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
for (list = gimp_get_display_iter (gimp);
list;
list = g_list_next (list))
{
GimpDisplay *display = list->data;
if (gimp_display_get_ID (display) == ID)
return display;
}
return NULL;
}
Gimp *
gimp_display_get_gimp (GimpDisplay *display)
{
g_return_val_if_fail (GIMP_IS_DISPLAY (display), NULL);
return display->gimp;
}
GimpImage *
gimp_display_get_image (GimpDisplay *display)
{
g_return_val_if_fail (GIMP_IS_DISPLAY (display), NULL);
return GIMP_DISPLAY_GET_PRIVATE (display)->image;
}
void
gimp_display_set_image (GimpDisplay *display,
GimpImage *image)
{
GimpDisplayPrivate *private;
GimpImage *old_image = NULL;
GimpDisplayShell *shell;
g_return_if_fail (GIMP_IS_DISPLAY (display));
g_return_if_fail (image == NULL || GIMP_IS_IMAGE (image));
private = GIMP_DISPLAY_GET_PRIVATE (display);
shell = gimp_display_get_shell (display);
if (private->image)
{
/* stop any active tool */
tool_manager_control_active (display->gimp, GIMP_TOOL_ACTION_HALT,
display);
gimp_display_shell_disconnect (shell);
gimp_display_disconnect (display);
gimp_image_dec_display_count (private->image);
/* set private->image before unrefing because there may be code
* that listens for image removals and then iterates the
* display list to find a valid display.
*/
old_image = private->image;
#if 0
g_print ("%s: image->ref_count before unrefing: %d\n",
G_STRFUNC, G_OBJECT (old_image)->ref_count);
#endif
}
private->image = image;
if (image)
{
#if 0
g_print ("%s: image->ref_count before refing: %d\n",
G_STRFUNC, G_OBJECT (image)->ref_count);
#endif
g_object_ref (image);
private->instance = gimp_image_get_instance_count (image);
gimp_image_inc_instance_count (image);
gimp_image_inc_display_count (image);
gimp_display_connect (display);
if (shell)
gimp_display_shell_connect (shell);
}
if (old_image)
g_object_unref (old_image);
if (shell)
{
if (image)
gimp_display_shell_reconnect (shell);
else
gimp_display_shell_icon_update (shell);
}
if (old_image != image)
g_object_notify (G_OBJECT (display), "image");
}
gint
gimp_display_get_instance (GimpDisplay *display)
{
GimpDisplayPrivate *private;
g_return_val_if_fail (GIMP_IS_DISPLAY (display), 0);
private = GIMP_DISPLAY_GET_PRIVATE (display);
return private->instance;
}
GimpDisplayShell *
gimp_display_get_shell (GimpDisplay *display)
{
GimpDisplayPrivate *private;
g_return_val_if_fail (GIMP_IS_DISPLAY (display), NULL);
private = GIMP_DISPLAY_GET_PRIVATE (display);
return GIMP_DISPLAY_SHELL (private->shell);
}
void
gimp_display_empty (GimpDisplay *display)
{
GimpDisplayPrivate *private;
g_return_if_fail (GIMP_IS_DISPLAY (display));
private = GIMP_DISPLAY_GET_PRIVATE (display);
g_return_if_fail (GIMP_IS_IMAGE (private->image));
gimp_display_set_image (display, NULL);
gimp_display_shell_empty (gimp_display_get_shell (display));
}
void
gimp_display_fill (GimpDisplay *display,
GimpImage *image,
GimpUnit unit,
gdouble scale)
{
GimpDisplayPrivate *private;
g_return_if_fail (GIMP_IS_DISPLAY (display));
g_return_if_fail (GIMP_IS_IMAGE (image));
private = GIMP_DISPLAY_GET_PRIVATE (display);
g_return_if_fail (private->image == NULL);
gimp_display_set_image (display, image);
gimp_display_shell_fill (gimp_display_get_shell (display),
image, unit, scale);
}
void
gimp_display_update_area (GimpDisplay *display,
gboolean now,
gint x,
gint y,
gint w,
gint h)
{
GimpDisplayPrivate *private;
g_return_if_fail (GIMP_IS_DISPLAY (display));
private = GIMP_DISPLAY_GET_PRIVATE (display);
if (now)
{
gimp_display_paint_area (display, x, y, w, h);
}
else
{
GimpArea *area;
gint image_width = gimp_image_get_width (private->image);
gint image_height = gimp_image_get_height (private->image);
area = gimp_area_new (CLAMP (x, 0, image_width),
CLAMP (y, 0, image_height),
CLAMP (x + w, 0, image_width),
CLAMP (y + h, 0, image_height));
private->update_areas = gimp_area_list_process (private->update_areas,
area);
}
}
void
gimp_display_flush (GimpDisplay *display)
{
g_return_if_fail (GIMP_IS_DISPLAY (display));
gimp_display_flush_whenever (display, FALSE);
}
void
gimp_display_flush_now (GimpDisplay *display)
{
g_return_if_fail (GIMP_IS_DISPLAY (display));
gimp_display_flush_whenever (display, TRUE);
}
/* private functions */
static void
gimp_display_flush_whenever (GimpDisplay *display,
gboolean now)
{
GimpDisplayPrivate *private = GIMP_DISPLAY_GET_PRIVATE (display);
if (private->update_areas)
{
GSList *list;
for (list = private->update_areas; list; list = g_slist_next (list))
{
GimpArea *area = list->data;
if ((area->x1 != area->x2) && (area->y1 != area->y2))
{
gimp_display_paint_area (display,
area->x1,
area->y1,
(area->x2 - area->x1),
(area->y2 - area->y1));
}
}
gimp_area_list_free (private->update_areas);
private->update_areas = NULL;
}
if (now)
{
GTimeVal time_now;
gint diff_usec;
g_get_current_time (&time_now);
diff_usec = (((guint64) time_now.tv_sec * G_USEC_PER_SEC +
(guint64) time_now.tv_usec) -
((guint64) private->last_flush_now.tv_sec * G_USEC_PER_SEC +
(guint64) private->last_flush_now.tv_usec));
if (diff_usec > FLUSH_NOW_INTERVAL)
{
gimp_display_shell_flush (gimp_display_get_shell (display), now);
g_get_current_time (&private->last_flush_now);
}
}
else
{
gimp_display_shell_flush (gimp_display_get_shell (display), now);
}
}
static void
gimp_display_paint_area (GimpDisplay *display,
gint x,
gint y,
gint w,
gint h)
{
GimpDisplayPrivate *private = GIMP_DISPLAY_GET_PRIVATE (display);
GimpDisplayShell *shell = gimp_display_get_shell (display);
gint image_width = gimp_image_get_width (private->image);
gint image_height = gimp_image_get_height (private->image);
gint x1, y1, x2, y2;
gdouble x1_f, y1_f, x2_f, y2_f;
/* Bounds check */
x1 = CLAMP (x, 0, image_width);
y1 = CLAMP (y, 0, image_height);
x2 = CLAMP (x + w, 0, image_width);
y2 = CLAMP (y + h, 0, image_height);
x = x1;
y = y1;
w = (x2 - x1);
h = (y2 - y1);
/* display the area */
gimp_display_shell_transform_xy_f (shell, x, y, &x1_f, &y1_f);
gimp_display_shell_transform_xy_f (shell, x + w, y + h, &x2_f, &y2_f);
/* make sure to expose a superset of the transformed sub-pixel expose
* area, not a subset. bug #126942. --mitch
*
* also acommodate for spill introduced by potential box filtering.
* (bug #474509). --simon
*/
x1 = floor (x1_f - 0.5);
y1 = floor (y1_f - 0.5);
x2 = ceil (x2_f + 0.5);
y2 = ceil (y2_f + 0.5);
gimp_display_shell_expose_area (shell, x1, y1, x2 - x1, y2 - y1);
}