   /* * Copyright (C) 1998-2006 panhuachun@hotmail.com * * 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 Street, Fifth Floor, Boston MA 02110-1301, USA. */ #include GtkWidget *window1; GdkPixmap *pixmap; static gboolean button_press_callback (GtkWidget *event_box, GdkEventButton *event, gpointer data) { g_print ("Event box pressed at coordinates %f,%f＼n", event->x, event->y); gtk_widget_show_all (window1); return TRUE; } static gboolean button_release_callback (GtkWidget *event_box, GdkEventButton *event, gpointer data) { g_print ("Event box released at coordinates %f,%f＼n", event->x, event->y); gtk_widget_hide (window1); return TRUE; } GdkPixmap *load_pixmap (GtkWidget *widget,gchar *filename) { GdkPixbuf *pixbuf=NULL; GdkPixmap *pixmap=NULL; GdkBitmap *window_shape_bitmap; pixbuf = gdk_pixbuf_new_from_file (filename,NULL); pixmap = gdk_pixmap_new (widget->window,gdk_pixbuf_get_width(pixbuf),gdk_pixbuf_get_height(pixbuf),-1); gdk_pixbuf_render_to_drawable (pixbuf,pixmap, widget->style->fg_gc[GTK_STATE_NORMAL], 0,0,0,0, gdk_pixbuf_get_width(pixbuf), gdk_pixbuf_get_height(pixbuf), GDK_RGB_DITHER_NORMAL,0,0); g_object_unref (pixbuf); return pixmap; } int main( int argc, char *argv[] ) { /* GtkWidget is the storage type for widgets */ gchar *xpm_file = "caomei.xpm"; GtkWidget *window; //GtkWidget *window1; GtkWidget *fixed,*fixed1; GtkWidget *event_box, *pixmap_widget ; GdkPixmap *bg; GdkBitmap *gdk_pixmap_mask; GdkPixmap *gdk_pixmap; GtkStyle *style; GdkGC *gc; GdkColormap *colormap; GdkBitmap *window_shape_bitmap; GdkColor black; GdkColor white; gtk_init (&argc, &argv); style = gtk_widget_get_default_style (); window = gtk_window_new (GTK_WINDOW_TOPLEVEL); gtk_window_set_title (GTK_WINDOW(window),"test"); gtk_widget_set_events (window,GDK_SCROLL_MASK); gtk_widget_set_app_paintable(window,TRUE); gtk_window_set_position (GTK_WINDOW(window),GTK_WIN_POS_CENTER_ALWAYS); gtk_widget_set_size_request (window,500,400); gtk_widget_realize (window); g_signal_connect (G_OBJECT (window), "destroy", G_CALLBACK (gtk_main_quit), NULL); //window1 = gtk_window_new (GTK_WINDOW_TOPLEVEL); window1 = gtk_window_new (GTK_WINDOW_POPUP); gtk_window_set_title (GTK_WINDOW(window1),"test"); gtk_widget_set_events (window1,GDK_SCROLL_MASK); gtk_widget_set_app_paintable(window1,TRUE); gtk_window_set_position (GTK_WINDOW(window1),GTK_WIN_POS_CENTER_ALWAYS); gtk_widget_set_size_request (window1,500,400); gtk_widget_realize (window1); g_signal_connect (G_OBJECT (window1), "destroy", G_CALLBACK (gtk_main_quit), NULL); fixed = gtk_fixed_new(); gtk_container_add (GTK_CONTAINER(window),fixed); gtk_widget_show (fixed); fixed1 = gtk_fixed_new(); gtk_container_add (GTK_CONTAINER(window1),fixed1); gtk_widget_show (fixed1); //setup the background bg = load_pixmap (fixed,"123.jpg"); gdk_window_set_back_pixmap (fixed->window,bg,FALSE); event_box=gtk_event_box_new(); gtk_event_box_set_visible_window(event_box,FALSE); gtk_fixed_put (GTK_FIXED (fixed), event_box, 100,100); g_signal_connect (G_OBJECT (event_box), "button_press_event", G_CALLBACK (button_press_callback), "./1.png"); g_signal_connect (G_OBJECT (event_box), "button_release_event", G_CALLBACK (button_release_callback), "./m.png"); pixmap_widget = gtk_image_new_from_file("m.png"); //gtk_container_add (GTK_CONTAINER (event_box), pixmap_widget); //************为window创建window_shape_bitmap****************************** colormap = gdk_colormap_get_system (); gdk_color_black (colormap, & black); gdk_color_white (colormap, & white); window_shape_bitmap = (GdkBitmap *) gdk_pixmap_new (NULL, 500, 400, 1); gc = gdk_gc_new (window_shape_bitmap); gdk_gc_set_foreground (gc, & black); gdk_gc_set_background (gc, & white); gdk_draw_rectangle (window_shape_bitmap, gc, TRUE, 0, 0,500, 400); gdk_gc_set_foreground (gc, & white); gdk_gc_set_background (gc, & black); // 在window_shape_bitmap中画一个填充的圆 gdk_draw_arc (window_shape_bitmap, gc,TRUE, 70, 70, 200,200, 0, 360*64); // 在window_shape_bitmap中画一个填充的圆 gdk_draw_arc (window_shape_bitmap, gc,TRUE, 250, 90, 150,150, 0, 360*64); gtk_widget_shape_combine_mask (window, window_shape_bitmap, 0, 0); gtk_container_add (GTK_CONTAINER (event_box), pixmap_widget); //gtk_widget_shape_combine_mask (event_box, window_shape_bitmap, 0, 0); // eventbox在这儿为什么不行呢? //*************************************************************************** //****利用已有的图片形状为window gdk_pixmap_mask ******************* gdk_pixmap = gdk_pixmap_create_from_xpm (event_box->window, &gdk_pixmap_mask, &style->bg[GTK_STATE_NORMAL], xpm_file);// "./m.png"); pixmap = gtk_image_new_from_pixmap (gdk_pixmap, gdk_pixmap_mask); gtk_widget_show (pixmap); gtk_fixed_put (GTK_FIXED (fixed1), pixmap, 100,100); //gtk_widget_shape_combine_mask (window, gdk_pixmap_mask, 100, 100); gtk_widget_shape_combine_mask (window1, gdk_pixmap_mask, 100,100); //*************************************************************************** gtk_widget_show_all (window); //gtk_widget_show_all (window1); gtk_main(); return TRUE; } 本文来自ChinaUnix博客，假如查看原文请点：http://blog.chinaunix.net/u1/33226/showart_495584.html |
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