static void
gimp_display_shell_check_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell)
{
GimpCanvasPaddingMode padding_mode;
GimpRGB padding_color;
if (shell->checkerboard)
{
cairo_pattern_destroy (shell->checkerboard);
shell->checkerboard = NULL;
}
gimp_display_shell_get_padding (shell, &padding_mode, &padding_color);
switch (padding_mode)
{
case GIMP_CANVAS_PADDING_MODE_LIGHT_CHECK:
case GIMP_CANVAS_PADDING_MODE_DARK_CHECK:
gimp_display_shell_set_padding (shell, padding_mode, &padding_color);
break;
default:
break;
}
gimp_display_shell_expose_full (shell);
}
static void
gimp_display_shell_monitor_res_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell)
{
if (GIMP_DISPLAY_CONFIG (config)->monitor_res_from_gdk)
{
gimp_get_monitor_resolution (gtk_widget_get_screen (GTK_WIDGET (shell)),
gimp_widget_get_monitor (GTK_WIDGET (shell)),
&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;
}
gimp_display_shell_scale_update (shell);
if (! shell->dot_for_dot)
{
gimp_display_shell_scroll_clamp_and_update (shell);
gimp_display_shell_scaled (shell);
gimp_display_shell_expose_full (shell);
}
}
static void
gimp_display_shell_quality_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell)
{
gimp_display_shell_expose_full (shell);
}
/**
* gimp_display_shell_scale_resize:
* @shell: the #GimpDisplayShell
* @resize_window: whether the display window should be resized
* @grow_only: whether shrinking of the window is allowed or not
*
* Function commonly called after a change in display scale to make the changes
* visible to the user. If @resize_window is %TRUE then the display window is
* resized to accommodate the display image as per
* gimp_display_shell_shrink_wrap().
**/
void
gimp_display_shell_scale_resize (GimpDisplayShell *shell,
gboolean resize_window,
gboolean grow_only)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
/* freeze the active tool */
gimp_display_shell_pause (shell);
if (resize_window)
{
GimpImageWindow *window = gimp_display_shell_get_window (shell);
if (window && gimp_image_window_get_active_shell (window) == shell)
{
gimp_image_window_shrink_wrap (window, grow_only);
}
}
gimp_display_shell_scroll_clamp_and_update (shell);
gimp_display_shell_scaled (shell);
gimp_display_shell_expose_full (shell);
/* re-enable the active tool */
gimp_display_shell_resume (shell);
}
/**
* gimp_display_shell_scroll_set_offsets:
* @shell:
* @offset_x:
* @offset_y:
*
* This function scrolls the image in the shell's viewport. It redraws
* the entire canvas.
*
* Use it for setting the scroll offset on freshly scaled images or
* when the window is resized. For panning, use
* gimp_display_shell_scroll().
**/
void
gimp_display_shell_scroll_set_offset (GimpDisplayShell *shell,
gint offset_x,
gint offset_y)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
if (shell->offset_x == offset_x &&
shell->offset_y == offset_y)
return;
gimp_display_shell_scale_save_revert_values (shell);
/* freeze the active tool */
gimp_display_shell_pause (shell);
shell->offset_x = offset_x;
shell->offset_y = offset_y;
gimp_display_shell_scroll_clamp_and_update (shell);
gimp_display_shell_scrolled (shell);
gimp_display_shell_expose_full (shell);
/* re-enable the active tool */
gimp_display_shell_resume (shell);
}
static void
gimp_display_shell_color_config_notify_handler (GObject *config,
GParamSpec *param_spec,
GimpDisplayShell *shell)
{
gimp_display_shell_profile_update (shell);
gimp_display_shell_expose_full (shell);
}
static gboolean
gimp_display_shell_filter_changed_idle (gpointer data)
{
GimpDisplayShell *shell = data;
gimp_display_shell_expose_full (shell);
shell->filter_idle_id = 0;
return FALSE;
}
static void
gimp_display_shell_size_changed_detailed_handler (GimpImage *image,
gint previous_origin_x,
gint previous_origin_y,
gint previous_width,
gint previous_height,
GimpDisplayShell *shell)
{
if (shell->display->config->resize_windows_on_resize)
{
GimpImageWindow *window = gimp_display_shell_get_window (shell);
if (window && gimp_image_window_get_active_shell (window) == shell)
{
/* If the window is resized just center the image in it when it
* has change size
*/
gimp_image_window_shrink_wrap (window, FALSE);
}
}
else
{
GimpImage *image = gimp_display_get_image (shell->display);
gint new_width = gimp_image_get_width (image);
gint new_height = gimp_image_get_height (image);
gint scaled_previous_origin_x = SCALEX (shell, previous_origin_x);
gint scaled_previous_origin_y = SCALEY (shell, previous_origin_y);
gboolean horizontally;
gboolean vertically;
horizontally = (SCALEX (shell, previous_width) > shell->disp_width &&
SCALEX (shell, new_width) <= shell->disp_width);
vertically = (SCALEY (shell, previous_height) > shell->disp_height &&
SCALEY (shell, new_height) <= shell->disp_height);
gimp_display_shell_scroll_set_offset (shell,
shell->offset_x + scaled_previous_origin_x,
shell->offset_y + scaled_previous_origin_y);
gimp_display_shell_scroll_center_image (shell, horizontally, vertically);
/* The above calls might not lead to a call to
* gimp_display_shell_scroll_clamp_and_update() in all cases we
* need it to be called, so simply call it explicitly here at
* the end
*/
gimp_display_shell_scroll_clamp_and_update (shell);
gimp_display_shell_expose_full (shell);
}
}
static void
gimp_display_shell_grid_notify_handler (GimpGrid *grid,
GParamSpec *pspec,
GimpDisplayShell *shell)
{
if (shell->grid_gc)
{
g_object_unref (shell->grid_gc);
shell->grid_gc = NULL;
}
gimp_display_shell_expose_full (shell);
/* update item factory */
gimp_display_flush (shell->display);
}
void
gimp_display_shell_rotate_to (GimpDisplayShell *shell,
gdouble value)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
while (value < 0.0)
value += 360;
while (value >= 360.0)
value -= 360;
shell->rotate_angle = value;
gimp_display_shell_rotated (shell);
gimp_display_shell_expose_full (shell);
}
static void
gimp_display_shell_size_changed_detailed_handler (GimpImage *image,
gint previous_origin_x,
gint previous_origin_y,
gint previous_width,
gint previous_height,
GimpDisplayShell *shell)
{
GimpDisplayConfig *config = shell->display->config;
gboolean resize_window;
/* Resize windows only in multi-window mode */
resize_window = (config->resize_windows_on_resize &&
! GIMP_GUI_CONFIG (config)->single_window_mode);
if (resize_window)
{
GimpImageWindow *window = gimp_display_shell_get_window (shell);
if (window && gimp_image_window_get_active_shell (window) == shell)
{
/* If the window is resized just center the image in it when it
* has change size
*/
gimp_image_window_shrink_wrap (window, FALSE);
}
}
else
{
GimpImage *image = gimp_display_get_image (shell->display);
gint new_width = gimp_image_get_width (image);
gint new_height = gimp_image_get_height (image);
gint scaled_previous_origin_x;
gint scaled_previous_origin_y;
gboolean horizontally;
gboolean vertically;
scaled_previous_origin_x = SCALEX (shell, previous_origin_x);
scaled_previous_origin_y = SCALEY (shell, previous_origin_y);
horizontally = (SCALEX (shell, previous_width) > shell->disp_width &&
SCALEX (shell, new_width) <= shell->disp_width);
vertically = (SCALEY (shell, previous_height) > shell->disp_height &&
SCALEY (shell, new_height) <= shell->disp_height);
gimp_display_shell_scroll_set_offset (shell,
shell->offset_x + scaled_previous_origin_x,
shell->offset_y + scaled_previous_origin_y);
gimp_display_shell_scroll_center_image (shell, horizontally, vertically);
/* The above calls might not lead to a call to
* gimp_display_shell_scroll_clamp_and_update() and
* gimp_display_shell_expose_full() in all cases because when
* scaling the old and new scroll offset might be the same.
*
* We need them to be called in all cases, so simply call them
* explicitly here at the end
*/
gimp_display_shell_scroll_clamp_and_update (shell);
gimp_display_shell_expose_full (shell);
}
}
