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Diffstat (limited to 'mate-screenshot/screenshot-utils.c')
| -rw-r--r-- | mate-screenshot/screenshot-utils.c | 1040 |
1 files changed, 0 insertions, 1040 deletions
diff --git a/mate-screenshot/screenshot-utils.c b/mate-screenshot/screenshot-utils.c deleted file mode 100644 index eaeeca28..00000000 --- a/mate-screenshot/screenshot-utils.c +++ /dev/null @@ -1,1040 +0,0 @@ -/* screenshot-utils.c - common functions for MATE Screenshot - * - * Copyright (C) 2001-2006 Jonathan Blandford <[email protected]> - * Copyright (C) 2008 Cosimo Cecchi <[email protected]> - * - * 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., 51 Franklin St, Fifth Floor, - */ - -#include "config.h" -#include "screenshot-utils.h" - -#include <gdk/gdkkeysyms.h> -#include <gtk/gtk.h> -#include <glib.h> -#include <glib/gi18n.h> - -#ifdef HAVE_X11_EXTENSIONS_SHAPE_H -#include <X11/extensions/shape.h> -#endif - -#if GTK_CHECK_VERSION (3, 0, 0) -#define GdkRegion cairo_region_t -#define gdk_region_new cairo_region_create -#define gdk_region_destroy cairo_region_destroy -#define gdk_region_rectangle cairo_region_create_rectangle -#define gdk_region_offset cairo_region_translate -#define gdk_region_intersect cairo_region_intersect -#define gdk_region_subtract cairo_region_subtract -#define gdk_region_union_with_rect cairo_region_union_rectangle -#define gdk_cursor_unref g_object_unref -#endif - -static GtkWidget *selection_window; - -#define SELECTION_NAME "_MATE_PANEL_SCREENSHOT" - -static char * -get_utf8_property (GdkWindow *window, - GdkAtom atom) -{ - gboolean res; - GdkAtom utf8_string; - GdkAtom type; - int actual_format, actual_length; - guchar *data; - char *retval; - - utf8_string = gdk_x11_xatom_to_atom (gdk_x11_get_xatom_by_name ("UTF8_STRING")); - res = gdk_property_get (window, atom, utf8_string, - 0, G_MAXLONG, FALSE, - &type, - &actual_format, &actual_length, - &data); - if (!res) - return NULL; - - if (type != utf8_string || actual_format != 8 || actual_length == 0) - { - g_free (data); - return NULL; - } - - if (!g_utf8_validate ((gchar *) data, actual_length, NULL)) - { - char *atom_name = gdk_atom_name (atom); - - g_warning ("Property `%s' (format: %d, length: %d) contained " - "invalid UTF-8", - atom_name, - actual_format, - actual_length); - - g_free (atom_name); - g_free (data); - - return NULL; - } - - retval = g_strndup ((gchar *) data, actual_length); - - g_free (data); - - return retval; -} - -/* To make sure there is only one screenshot taken at a time, - * (Imagine key repeat for the print screen key) we hold a selection - * until we are done taking the screenshot - */ -gboolean -screenshot_grab_lock (void) -{ - GdkAtom selection_atom; - gboolean result = FALSE; - - selection_atom = gdk_atom_intern (SELECTION_NAME, FALSE); - gdk_x11_grab_server (); - - if (gdk_selection_owner_get (selection_atom) != NULL) - goto out; - - selection_window = gtk_invisible_new (); - gtk_widget_show (selection_window); - - if (!gtk_selection_owner_set (selection_window, - gdk_atom_intern (SELECTION_NAME, FALSE), - GDK_CURRENT_TIME)) - { - gtk_widget_destroy (selection_window); - selection_window = NULL; - goto out; - } - - result = TRUE; - - out: - gdk_x11_ungrab_server (); - gdk_flush (); - - return result; -} - -void -screenshot_release_lock (void) -{ - if (selection_window) - { - gtk_widget_destroy (selection_window); - selection_window = NULL; - } - - gdk_flush (); -} - -static GdkWindow * -screenshot_find_active_window (void) -{ - GdkWindow *window; - GdkScreen *default_screen; - - default_screen = gdk_screen_get_default (); - window = gdk_screen_get_active_window (default_screen); - - return window; -} - -static gboolean -screenshot_window_is_desktop (GdkWindow *window) -{ - GdkWindow *root_window = gdk_get_default_root_window (); - GdkWindowTypeHint window_type_hint; - - if (window == root_window) - return TRUE; - - window_type_hint = gdk_window_get_type_hint (window); - if (window_type_hint == GDK_WINDOW_TYPE_HINT_DESKTOP) - return TRUE; - - return FALSE; - -} - -#define MAXIMUM_WM_REPARENTING_DEPTH 4 - -static GdkWindow * -look_for_hint_helper (GdkWindow *window, - GdkAtom property, - int depth) -{ - gboolean res; - GdkAtom actual_type; - int actual_format, actual_length; - guchar *data; - - res = gdk_property_get (window, property, GDK_NONE, - 0, 1, FALSE, - &actual_type, - &actual_format, &actual_length, - &data); - - if (res == TRUE && - data != NULL && - actual_format == 32 && - data[0] == 1) - { - g_free (data); - - return window; - } - - if (depth < MAXIMUM_WM_REPARENTING_DEPTH) - { - GList *children, *l; - - children = gdk_window_get_children (window); - if (children != NULL) - { - for (l = children; l; l = l->next) - { - window = look_for_hint_helper (l->data, property, depth + 1); - if (window) - break; - } - - g_list_free (children); - - if (window) - return window; - } - } - - return NULL; -} - -static GdkWindow * -look_for_hint (GdkWindow *window, - GdkAtom property) -{ - GdkWindow *retval; - - retval = look_for_hint_helper (window, property, 0); - - return retval; -} - -GdkWindow * -screenshot_find_current_window () -{ - GdkWindow *current_window; - - current_window = screenshot_find_active_window (); - - /* If there's no active window, we fall back to returning the - * window that the cursor is in. - */ - if (!current_window) - current_window = gdk_window_at_pointer (NULL, NULL); - - if (current_window) - { - if (screenshot_window_is_desktop (current_window)) - /* if the current window is the desktop (e.g. caja), we - * return NULL, as getting the whole screen makes more sense. - */ - return NULL; - - /* Once we have a window, we take the toplevel ancestor. */ - current_window = gdk_window_get_toplevel (current_window); - } - - return current_window; -} - -typedef struct { - GdkRectangle rect; - gboolean button_pressed; - GtkWidget *window; -} select_area_filter_data; - -static gboolean -select_area_button_press (GtkWidget *window, - GdkEventButton *event, - select_area_filter_data *data) -{ - if (data->button_pressed) - return TRUE; - - data->button_pressed = TRUE; - data->rect.x = event->x_root; - data->rect.y = event->y_root; - - return TRUE; -} - -static gboolean -select_area_motion_notify (GtkWidget *window, - GdkEventMotion *event, - select_area_filter_data *data) -{ - GdkRectangle draw_rect; - - if (!data->button_pressed) - return TRUE; - - draw_rect.width = ABS (data->rect.x - event->x_root); - draw_rect.height = ABS (data->rect.y - event->y_root); - draw_rect.x = MIN (data->rect.x, event->x_root); - draw_rect.y = MIN (data->rect.y, event->y_root); - - if (draw_rect.width <= 0 || draw_rect.height <= 0) - { - gtk_window_move (GTK_WINDOW (window), -100, -100); - gtk_window_resize (GTK_WINDOW (window), 10, 10); - return TRUE; - } - - gtk_window_move (GTK_WINDOW (window), draw_rect.x, draw_rect.y); - gtk_window_resize (GTK_WINDOW (window), draw_rect.width, draw_rect.height); - - /* We (ab)use app-paintable to indicate if we have an RGBA window */ - if (!gtk_widget_get_app_paintable (window)) - { - GdkWindow *gdkwindow = gtk_widget_get_window (window); - - /* Shape the window to make only the outline visible */ - if (draw_rect.width > 2 && draw_rect.height > 2) - { -#if GTK_CHECK_VERSION (3, 0, 0) - cairo_region_t *region, *region2; - cairo_rectangle_int_t region_rect = { -#else - GdkRegion *region, *region2; - GdkRectangle region_rect = { -#endif - 0, 0, - draw_rect.width - 2, draw_rect.height - 2 - }; - -#if GTK_CHECK_VERSION (3, 0, 0) - region = cairo_region_create_rectangle (®ion_rect); -#else - region = gdk_region_rectangle (®ion_rect); -#endif - region_rect.x++; - region_rect.y++; - region_rect.width -= 2; - region_rect.height -= 2; -#if GTK_CHECK_VERSION (3, 0, 0) - region2 = cairo_region_create_rectangle (®ion_rect); - cairo_region_subtract (region, region2); -#else - region2 = gdk_region_rectangle (®ion_rect); - gdk_region_subtract (region, region2); -#endif - - gdk_window_shape_combine_region (gdkwindow, region, 0, 0); - - gdk_region_destroy (region); - gdk_region_destroy (region2); - } - else - gdk_window_shape_combine_region (gdkwindow, NULL, 0, 0); - } - - return TRUE; -} - -static gboolean -select_area_button_release (GtkWidget *window, - GdkEventButton *event, - select_area_filter_data *data) -{ - if (!data->button_pressed) - return TRUE; - - data->rect.width = ABS (data->rect.x - event->x_root); - data->rect.height = ABS (data->rect.y - event->y_root); - data->rect.x = MIN (data->rect.x, event->x_root); - data->rect.y = MIN (data->rect.y, event->y_root); - - gtk_main_quit (); - - return TRUE; -} - -static gboolean -select_area_key_press (GtkWidget *window, - GdkEventKey *event, - select_area_filter_data *data) -{ - if (event->keyval == GDK_KEY_Escape) - { - data->rect.x = 0; - data->rect.y = 0; - data->rect.width = 0; - data->rect.height = 0; - gtk_main_quit (); - } - - return TRUE; -} - - -static gboolean -#if GTK_CHECK_VERSION (3, 0, 0) -draw (GtkWidget *window, cairo_t *cr, gpointer unused) -#else -expose (GtkWidget *window, GdkEventExpose *event, gpointer unused) -#endif -{ - GtkAllocation allocation; - GtkStyle *style; -#if !GTK_CHECK_VERSION (3, 0, 0) - cairo_t *cr; - - cr = gdk_cairo_create (event->window); - gdk_cairo_region (cr, event->region); - cairo_clip (cr); -#endif - - style = gtk_widget_get_style (window); - - if (gtk_widget_get_app_paintable (window)) - { - cairo_set_line_width (cr, 1.0); - - gtk_widget_get_allocation (window, &allocation); - - cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); - cairo_set_source_rgba (cr, 0, 0, 0, 0); - cairo_paint (cr); - - cairo_set_operator (cr, CAIRO_OPERATOR_OVER); - gdk_cairo_set_source_color (cr, &style->base[GTK_STATE_SELECTED]); - cairo_paint_with_alpha (cr, 0.25); - - cairo_rectangle (cr, - allocation.x + 0.5, allocation.y + 0.5, - allocation.width - 1, allocation.height - 1); - cairo_stroke (cr); - } - else - { - gdk_cairo_set_source_color (cr, &style->base[GTK_STATE_SELECTED]); - cairo_paint (cr); - } - -#if !GTK_CHECK_VERSION (3, 0, 0) - cairo_destroy (cr); -#endif - - return TRUE; -} - -static GtkWidget * -create_select_window (void) -{ - GtkWidget *window; - GdkScreen *screen; -#if GTK_CHECK_VERSION (3, 0, 0) - GdkVisual *visual; -#endif - - screen = gdk_screen_get_default (); -#if GTK_CHECK_VERSION (3, 0, 0) - visual = gdk_screen_get_rgba_visual (screen); -#endif - - window = gtk_window_new (GTK_WINDOW_POPUP); - if (gdk_screen_is_composited (screen) && -#if GTK_CHECK_VERSION (3, 0, 0) - visual) -#else - gdk_screen_get_rgba_colormap (screen)) -#endif - { -#if GTK_CHECK_VERSION (3, 0, 0) - gtk_widget_set_visual (window, visual); -#else - gtk_widget_set_colormap (window, gdk_screen_get_rgba_colormap (screen)); -#endif - gtk_widget_set_app_paintable (window, TRUE); - } -#if GTK_CHECK_VERSION (3, 0, 0) - g_signal_connect (window, "draw", G_CALLBACK (draw), NULL); -#else - g_signal_connect (window, "expose-event", G_CALLBACK (expose), NULL); -#endif - - gtk_window_move (GTK_WINDOW (window), -100, -100); - gtk_window_resize (GTK_WINDOW (window), 10, 10); - gtk_widget_show (window); - return window; -} - -typedef struct { - GdkRectangle rectangle; - SelectAreaCallback callback; -} CallbackData; - -static gboolean -emit_select_callback_in_idle (gpointer user_data) -{ - CallbackData *data = user_data; - - data->callback (&data->rectangle); - - g_slice_free (CallbackData, data); - - return FALSE; -} - -void -screenshot_select_area_async (SelectAreaCallback callback) -{ - GdkCursor *cursor; - select_area_filter_data data; - GdkRectangle *rectangle; - CallbackData *cb_data; - - data.rect.x = 0; - data.rect.y = 0; - data.rect.width = 0; - data.rect.height = 0; - data.button_pressed = FALSE; - data.window = create_select_window(); - - cb_data = g_slice_new0 (CallbackData); - cb_data->callback = callback; - - g_signal_connect (data.window, "key-press-event", G_CALLBACK (select_area_key_press), &data); - g_signal_connect (data.window, "button-press-event", G_CALLBACK (select_area_button_press), &data); - g_signal_connect (data.window, "button-release-event", G_CALLBACK (select_area_button_release), &data); - g_signal_connect (data.window, "motion-notify-event", G_CALLBACK (select_area_motion_notify), &data); - - cursor = gdk_cursor_new (GDK_CROSSHAIR); - - if (gdk_pointer_grab (gtk_widget_get_window (data.window), FALSE, - GDK_POINTER_MOTION_MASK|GDK_BUTTON_PRESS_MASK|GDK_BUTTON_RELEASE_MASK, - NULL, cursor, - GDK_CURRENT_TIME) != GDK_GRAB_SUCCESS) - { - gdk_cursor_unref (cursor); - goto out; - } - - if (gdk_keyboard_grab (gtk_widget_get_window (data.window), FALSE, GDK_CURRENT_TIME) != GDK_GRAB_SUCCESS) - { - gdk_pointer_ungrab (GDK_CURRENT_TIME); - gdk_cursor_unref (cursor); - goto out; - } - - gtk_main (); - - gdk_keyboard_ungrab (GDK_CURRENT_TIME); - gdk_pointer_ungrab (GDK_CURRENT_TIME); - - gtk_widget_destroy (data.window); - gdk_cursor_unref (cursor); - - gdk_flush (); - - out: - cb_data->rectangle = data.rect; - - /* FIXME: we should actually be emitting the callback When - * the compositor has finished re-drawing, but there seems to be no easy - * way to know that. - */ - g_timeout_add (200, emit_select_callback_in_idle, cb_data); -} - -static Window -find_wm_window (Window xid) -{ - Window root, parent, *children; - unsigned int nchildren; - - do - { - if (XQueryTree (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), xid, &root, - &parent, &children, &nchildren) == 0) - { - g_warning ("Couldn't find window manager window"); - return None; - } - - if (root == parent) - return xid; - - xid = parent; - } - while (TRUE); -} - -#if GTK_CHECK_VERSION (3, 0, 0) -static cairo_region_t * -#else -static GdkRegion * -#endif -make_region_with_monitors (GdkScreen *screen) -{ -#if GTK_CHECK_VERSION (3, 0, 0) - cairo_region_t *region; -#else - GdkRegion *region; -#endif - int num_monitors; - int i; - - num_monitors = gdk_screen_get_n_monitors (screen); - -#if GTK_CHECK_VERSION (3, 0, 0) - region = cairo_region_create (); -#else - region = gdk_region_new (); -#endif - - for (i = 0; i < num_monitors; i++) - { - GdkRectangle rect; - - gdk_screen_get_monitor_geometry (screen, i, &rect); -#if GTK_CHECK_VERSION (3, 0, 0) - cairo_region_union_rectangle (region, &rect); -#else - gdk_region_union_with_rect (region, &rect); -#endif - } - - return region; -} - -static void -blank_rectangle_in_pixbuf (GdkPixbuf *pixbuf, GdkRectangle *rect) -{ - int x, y; - int x2, y2; - guchar *pixels; - int rowstride; - int n_channels; - guchar *row; - gboolean has_alpha; - - g_assert (gdk_pixbuf_get_colorspace (pixbuf) == GDK_COLORSPACE_RGB); - - x2 = rect->x + rect->width; - y2 = rect->y + rect->height; - - pixels = gdk_pixbuf_get_pixels (pixbuf); - rowstride = gdk_pixbuf_get_rowstride (pixbuf); - has_alpha = gdk_pixbuf_get_has_alpha (pixbuf); - n_channels = gdk_pixbuf_get_n_channels (pixbuf); - - for (y = rect->y; y < y2; y++) - { - guchar *p; - - row = pixels + y * rowstride; - p = row + rect->x * n_channels; - - for (x = rect->x; x < x2; x++) - { - *p++ = 0; - *p++ = 0; - *p++ = 0; - - if (has_alpha) - *p++ = 255; /* opaque black */ - } - } -} - -static void -#if GTK_CHECK_VERSION (3, 0, 0) -blank_region_in_pixbuf (GdkPixbuf *pixbuf, cairo_region_t *region) -{ - int n_rects; - int i; - int width, height; - cairo_rectangle_int_t pixbuf_rect; - - n_rects = cairo_region_num_rectangles (region); -#else -blank_region_in_pixbuf (GdkPixbuf *pixbuf, GdkRegion *region) -{ - GdkRectangle *rects; - int n_rects; - int i; - int width, height; - GdkRectangle pixbuf_rect; - - gdk_region_get_rectangles (region, &rects, &n_rects); -#endif - - width = gdk_pixbuf_get_width (pixbuf); - height = gdk_pixbuf_get_height (pixbuf); - - pixbuf_rect.x = 0; - pixbuf_rect.y = 0; - pixbuf_rect.width = width; - pixbuf_rect.height = height; - - for (i = 0; i < n_rects; i++) - { -#if GTK_CHECK_VERSION (3, 0, 0) - cairo_rectangle_int_t rect, dest; - - cairo_region_get_rectangle (region, i, &rect); - if (gdk_rectangle_intersect (&rect, &pixbuf_rect, &dest)) -#else - GdkRectangle dest; - - if (gdk_rectangle_intersect (rects + i, &pixbuf_rect, &dest)) -#endif - blank_rectangle_in_pixbuf (pixbuf, &dest); - - } -#if !GTK_CHECK_VERSION (3, 0, 0) - g_free (rects); -#endif -} - -/* When there are multiple monitors with different resolutions, the visible area - * within the root window may not be rectangular (it may have an L-shape, for - * example). In that case, mask out the areas of the root window which would - * not be visible in the monitors, so that screenshot do not end up with content - * that the user won't ever see. - */ -static void -mask_monitors (GdkPixbuf *pixbuf, GdkWindow *root_window) -{ - GdkScreen *screen; -#if GTK_CHECK_VERSION (3, 0, 0) - cairo_region_t *region_with_monitors; - cairo_region_t *invisible_region; - cairo_rectangle_int_t rect; -#else - GdkRegion *region_with_monitors; - GdkRegion *invisible_region; - GdkRectangle rect; -#endif - - screen = gdk_window_get_screen (root_window); - - region_with_monitors = make_region_with_monitors (screen); - - rect.x = 0; - rect.y = 0; - rect.width = gdk_screen_get_width (screen); - rect.height = gdk_screen_get_height (screen); - -#if GTK_CHECK_VERSION (3, 0, 0) - invisible_region = cairo_region_create_rectangle (&rect); - cairo_region_subtract (invisible_region, region_with_monitors); - - blank_region_in_pixbuf (pixbuf, invisible_region); - - cairo_region_destroy (region_with_monitors); - cairo_region_destroy (invisible_region); -#else - invisible_region = gdk_region_rectangle (&rect); - gdk_region_subtract (invisible_region, region_with_monitors); - - blank_region_in_pixbuf (pixbuf, invisible_region); - - gdk_region_destroy (region_with_monitors); - gdk_region_destroy (invisible_region); -#endif -} - -GdkPixbuf * -screenshot_get_pixbuf (GdkWindow *window, - GdkRectangle *rectangle, - gboolean include_pointer, - gboolean include_border, - gboolean include_mask) -{ - GdkWindow *root; - GdkPixbuf *screenshot; - gint x_real_orig, y_real_orig, x_orig, y_orig; - gint width, real_width, height, real_height; - - /* If the screenshot should include the border, we look for the WM window. */ - - if (include_border) - { - Window xid, wm; - - xid = GDK_WINDOW_XID (window); - wm = find_wm_window (xid); - - if (wm != None) - window = gdk_x11_window_foreign_new_for_display (gdk_display_get_default (), wm); - - /* fallback to no border if we can't find the WM window. */ - } - - root = gdk_get_default_root_window (); - - real_width = gdk_window_get_width(window); - real_height = gdk_window_get_height(window); - - gdk_window_get_origin (window, &x_real_orig, &y_real_orig); - - x_orig = x_real_orig; - y_orig = y_real_orig; - width = real_width; - height = real_height; - - if (x_orig < 0) - { - width = width + x_orig; - x_orig = 0; - } - - if (y_orig < 0) - { - height = height + y_orig; - y_orig = 0; - } - - if (x_orig + width > gdk_screen_width ()) - width = gdk_screen_width () - x_orig; - - if (y_orig + height > gdk_screen_height ()) - height = gdk_screen_height () - y_orig; - - if (rectangle) - { - x_orig = rectangle->x - x_orig; - y_orig = rectangle->y - y_orig; - width = rectangle->width; - height = rectangle->height; - } - -#if GTK_CHECK_VERSION (3, 0, 0) - screenshot = gdk_pixbuf_get_from_window (root, - x_orig, y_orig, - width, height); -#else - screenshot = gdk_pixbuf_get_from_drawable (NULL, root, NULL, - x_orig, y_orig, 0, 0, - width, height); -#endif - - /* - * Masking currently only works properly with full-screen shots - */ - if (include_mask) - mask_monitors (screenshot, root); - -#ifdef HAVE_X11_EXTENSIONS_SHAPE_H - if (include_border) - { - XRectangle *rectangles; - GdkPixbuf *tmp; - int rectangle_count, rectangle_order, i; - - /* we must use XShape to avoid showing what's under the rounder corners - * of the WM decoration. - */ - - rectangles = XShapeGetRectangles (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), - GDK_WINDOW_XID (window), - ShapeBounding, - &rectangle_count, - &rectangle_order); - if (rectangles && rectangle_count > 0 && window != root) - { - gboolean has_alpha = gdk_pixbuf_get_has_alpha (screenshot); - - tmp = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, width, height); - gdk_pixbuf_fill (tmp, 0); - - for (i = 0; i < rectangle_count; i++) - { - gint rec_x, rec_y; - gint rec_width, rec_height; - gint y; - - rec_x = rectangles[i].x; - rec_y = rectangles[i].y; - rec_width = rectangles[i].width; - rec_height = rectangles[i].height; - - if (x_real_orig < 0) - { - rec_x += x_real_orig; - rec_x = MAX(rec_x, 0); - rec_width += x_real_orig; - } - - if (y_real_orig < 0) - { - rec_y += y_real_orig; - rec_y = MAX(rec_y, 0); - rec_height += y_real_orig; - } - - if (x_orig + rec_x + rec_width > gdk_screen_width ()) - rec_width = gdk_screen_width () - x_orig - rec_x; - - if (y_orig + rec_y + rec_height > gdk_screen_height ()) - rec_height = gdk_screen_height () - y_orig - rec_y; - - for (y = rec_y; y < rec_y + rec_height; y++) - { - guchar *src_pixels, *dest_pixels; - gint x; - - src_pixels = gdk_pixbuf_get_pixels (screenshot) - + y * gdk_pixbuf_get_rowstride(screenshot) - + rec_x * (has_alpha ? 4 : 3); - dest_pixels = gdk_pixbuf_get_pixels (tmp) - + y * gdk_pixbuf_get_rowstride (tmp) - + rec_x * 4; - - for (x = 0; x < rec_width; x++) - { - *dest_pixels++ = *src_pixels++; - *dest_pixels++ = *src_pixels++; - *dest_pixels++ = *src_pixels++; - - if (has_alpha) - *dest_pixels++ = *src_pixels++; - else - *dest_pixels++ = 255; - } - } - } - - g_object_unref (screenshot); - screenshot = tmp; - } - } -#endif /* HAVE_X11_EXTENSIONS_SHAPE_H */ - - /* if we have a selected area, there were by definition no cursor in the - * screenshot */ - if (include_pointer && !rectangle) - { - GdkCursor *cursor; - GdkPixbuf *cursor_pixbuf; - - cursor = gdk_cursor_new_for_display (gdk_display_get_default (), GDK_LEFT_PTR); - cursor_pixbuf = gdk_cursor_get_image (cursor); - - if (cursor_pixbuf != NULL) - { - GdkRectangle r1, r2; - gint cx, cy, xhot, yhot; - - gdk_window_get_pointer (window, &cx, &cy, NULL); - sscanf (gdk_pixbuf_get_option (cursor_pixbuf, "x_hot"), "%d", &xhot); - sscanf (gdk_pixbuf_get_option (cursor_pixbuf, "y_hot"), "%d", &yhot); - - /* in r1 we have the window coordinates */ - r1.x = x_real_orig; - r1.y = y_real_orig; - r1.width = real_width; - r1.height = real_height; - - /* in r2 we have the cursor window coordinates */ - r2.x = cx + x_real_orig; - r2.y = cy + y_real_orig; - r2.width = gdk_pixbuf_get_width (cursor_pixbuf); - r2.height = gdk_pixbuf_get_height (cursor_pixbuf); - - /* see if the pointer is inside the window */ - if (gdk_rectangle_intersect (&r1, &r2, &r2)) - { - gdk_pixbuf_composite (cursor_pixbuf, screenshot, - cx - xhot, cy - yhot, - r2.width, r2.height, - cx - xhot, cy - yhot, - 1.0, 1.0, - GDK_INTERP_BILINEAR, - 255); - } - - g_object_unref (cursor_pixbuf); - gdk_cursor_unref (cursor); - } - } - - return screenshot; -} - -gchar * -screenshot_get_window_title (GdkWindow *win) -{ - gchar *name; - - win = gdk_window_get_toplevel (win); - win = look_for_hint (win, gdk_x11_xatom_to_atom (gdk_x11_get_xatom_by_name ("WM_STATE"))); - - name = get_utf8_property (win, gdk_x11_xatom_to_atom (gdk_x11_get_xatom_by_name ("_NET_WM_NAME"))); - if (name) - return name; - - /* TODO: maybe we should also look at WM_NAME and WM_CLASS? */ - - return g_strdup (_("Untitled Window")); -} - -void -screenshot_show_error_dialog (GtkWindow *parent, - const gchar *message, - const gchar *detail) -{ - GtkWidget *dialog; - - g_return_if_fail ((parent == NULL) || (GTK_IS_WINDOW (parent))); - g_return_if_fail (message != NULL); - - dialog = gtk_message_dialog_new (parent, - GTK_DIALOG_DESTROY_WITH_PARENT, - GTK_MESSAGE_ERROR, - GTK_BUTTONS_OK, - "%s", message); - gtk_window_set_title (GTK_WINDOW (dialog), ""); - - if (detail) - gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog), - "%s", detail); - - if (parent && gtk_window_get_group (parent)) - gtk_window_group_add_window (gtk_window_get_group (parent), GTK_WINDOW (dialog)); - - gtk_dialog_run (GTK_DIALOG (dialog)); - - gtk_widget_destroy (dialog); -} - -void -screenshot_show_gerror_dialog (GtkWindow *parent, - const gchar *message, - GError *error) -{ - g_return_if_fail (parent == NULL || GTK_IS_WINDOW (parent)); - g_return_if_fail (message != NULL); - g_return_if_fail (error != NULL); - - screenshot_show_error_dialog (parent, message, error->message); -} |