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-rw-r--r--abs/mv-core/ghosd/ghosd-0.0.1/ghosd/ghosd.c226
1 files changed, 0 insertions, 226 deletions
diff --git a/abs/mv-core/ghosd/ghosd-0.0.1/ghosd/ghosd.c b/abs/mv-core/ghosd/ghosd-0.0.1/ghosd/ghosd.c
deleted file mode 100644
index d830a1b..0000000
--- a/abs/mv-core/ghosd/ghosd-0.0.1/ghosd/ghosd.c
+++ /dev/null
@@ -1,226 +0,0 @@
-/* ghosd -- OSD with fake transparency, cairo, and pango.
- * Copyright (C) 2006 Evan Martin <martine@danga.com>
- */
-
-#include "config.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <cairo/cairo-xlib-xrender.h>
-#include <X11/Xatom.h>
-
-#include "ghosd.h"
-#include "ghosd-internal.h"
-
-static Pixmap
-take_snapshot(Ghosd *ghosd) {
- Pixmap pixmap;
- GC gc;
-
- /* create a pixmap to hold the screenshot. */
- pixmap = XCreatePixmap(ghosd->dpy, ghosd->win,
- ghosd->width, ghosd->height,
- DefaultDepth(ghosd->dpy, DefaultScreen(ghosd->dpy)));
-
- /* then copy the screen into the pixmap. */
- gc = XCreateGC(ghosd->dpy, pixmap, 0, NULL);
- XSetSubwindowMode(ghosd->dpy, gc, IncludeInferiors);
- XCopyArea(ghosd->dpy, DefaultRootWindow(ghosd->dpy), pixmap, gc,
- ghosd->x, ghosd->y, ghosd->width, ghosd->height,
- 0, 0);
- XSetSubwindowMode(ghosd->dpy, gc, ClipByChildren);
- XFreeGC(ghosd->dpy, gc);
-
- return pixmap;
-}
-
-void
-ghosd_render(Ghosd *ghosd) {
- Pixmap pixmap;
- GC gc;
-
- /* make our own copy of the background pixmap as the initial surface. */
- pixmap = XCreatePixmap(ghosd->dpy, ghosd->win, ghosd->width, ghosd->height,
- DefaultDepth(ghosd->dpy, DefaultScreen(ghosd->dpy)));
-
- gc = XCreateGC(ghosd->dpy, pixmap, 0, NULL);
- if (ghosd->transparent) {
- XCopyArea(ghosd->dpy, ghosd->background, pixmap, gc,
- 0, 0, ghosd->width, ghosd->height, 0, 0);
- } else {
- XFillRectangle(ghosd->dpy, pixmap, gc,
- 0, 0, ghosd->width, ghosd->height);
- }
- XFreeGC(ghosd->dpy, gc);
-
- /* render with cairo. */
- if (ghosd->render_func) {
- /* create cairo surface using the pixmap. */
- XRenderPictFormat *xrformat =
- XRenderFindVisualFormat(ghosd->dpy,
- DefaultVisual(ghosd->dpy,
- DefaultScreen(ghosd->dpy)));
- cairo_surface_t *surf =
- cairo_xlib_surface_create_with_xrender_format(
- ghosd->dpy, pixmap,
- ScreenOfDisplay(ghosd->dpy, DefaultScreen(ghosd->dpy)),
- xrformat,
- ghosd->width, ghosd->height);
-
- /* draw some stuff. */
- cairo_t *cr = cairo_create(surf);
- ghosd->render_func(ghosd, cr, ghosd->render_data);
- cairo_destroy(cr);
- }
-
- /* point window at its new backing pixmap. */
- XSetWindowBackgroundPixmap(ghosd->dpy, ghosd->win, pixmap);
- XFreePixmap(ghosd->dpy, pixmap);
-
- /* and tell the window to redraw with this pixmap. */
- XClearWindow(ghosd->dpy, ghosd->win);
-}
-
-static void
-set_hints(Display *dpy, Window win) {
- /* we're almost a _NET_WM_WINDOW_TYPE_SPLASH, but we don't want
- * to be centered on the screen. instead, manually request the
- * behavior we want. */
-
- /* turn off window decorations.
- * we could pull this in from a motif header, but it's easier to
- * use this snippet i found on a mailing list. */
- Atom mwm_hints = XInternAtom(dpy, "_MOTIF_WM_HINTS", False);
-#define MWM_HINTS_DECORATIONS (1<<1)
- struct {
- long flags, functions, decorations, input_mode;
- } mwm_hints_setting = {
- MWM_HINTS_DECORATIONS, 0, 0, 0
- };
- XChangeProperty(dpy, win,
- mwm_hints, mwm_hints, 32, PropModeReplace,
- (unsigned char *)&mwm_hints_setting, 4);
-
- /* always on top, not in taskbar or pager. */
- Atom win_state = XInternAtom(dpy, "_NET_WM_STATE", False);
- Atom win_state_setting[] = {
- XInternAtom(dpy, "_NET_WM_STATE_ABOVE", False),
- XInternAtom(dpy, "_NET_WM_STATE_SKIP_TASKBAR", False),
- XInternAtom(dpy, "_NET_WM_STATE_SKIP_PAGER", False)
- };
- XChangeProperty(dpy, win, win_state, XA_ATOM, 32,
- PropModeReplace, (unsigned char*)&win_state_setting, 3);
-}
-
-static Window
-make_window(Display *dpy) {
- Window win;
- XSetWindowAttributes att;
-
- /* XXX I don't understand X well enough to know if these are the correct
- * settings. */
- att.backing_store = WhenMapped;
- att.background_pixel = None;
- att.border_pixel = 0;
- att.background_pixmap = None;
- att.save_under = True;
- att.event_mask = ExposureMask | StructureNotifyMask;
- att.override_redirect = True;
-
- win = XCreateWindow(dpy, DefaultRootWindow(dpy),
- -1, -1, 1, 1, 0,
- CopyFromParent, InputOutput, CopyFromParent,
- CWBackingStore | CWBackPixel | CWBackPixmap |
- CWEventMask | CWSaveUnder | CWOverrideRedirect,
- &att);
-
- set_hints(dpy, win);
-
- /* XXX: XSetClassHint? */
-
- return win;
-}
-
-void
-ghosd_show(Ghosd *ghosd) {
- XMapWindow(ghosd->dpy, ghosd->win);
-}
-
-void
-ghosd_set_transparent(Ghosd *ghosd, int transparent) {
- ghosd->transparent = (transparent != 0);
-}
-
-void
-ghosd_set_render(Ghosd *ghosd, GhosdRenderFunc render_func, void *render_data) {
- ghosd->render_func = render_func;
- ghosd->render_data = render_data;
-}
-
-void
-ghosd_set_position(Ghosd *ghosd, int x, int y, int width, int height) {
- const int dpy_width = DisplayWidth(ghosd->dpy, DefaultScreen(ghosd->dpy));
- const int dpy_height = DisplayHeight(ghosd->dpy, DefaultScreen(ghosd->dpy));
-
- if (x == GHOSD_COORD_CENTER) {
- x = (dpy_width - width) / 2;
- } else if (x < 0) {
- x = dpy_width - width + x;
- }
-
- if (y == GHOSD_COORD_CENTER) {
- y = (dpy_height - height) / 2;
- } else if (y < 0) {
- y = dpy_height - height + y;
- }
-
- ghosd->x = x;
- ghosd->y = y;
- ghosd->width = width;
- ghosd->height = height;
-
- if (ghosd->transparent)
- ghosd->background = take_snapshot(ghosd);
-
- XMoveResizeWindow(ghosd->dpy, ghosd->win,
- ghosd->x, ghosd->y, ghosd->width, ghosd->height);
-}
-
-#if 0
-static int
-x_error_handler(Display *dpy, XErrorEvent* evt) {
- /* segfault so we can get a backtrace. */
- char *x = NULL;
- *x = 0;
- return 0;
-}
-#endif
-
-Ghosd *
-ghosd_new(void) {
- Ghosd *ghosd;
- Display *dpy;
- Window win;
-
- dpy = XOpenDisplay(NULL);
- if (dpy == NULL) {
- fprintf(stderr, "Couldn't open display: (XXX FIXME)\n");
- return NULL;
- }
-
- win = make_window(dpy);
-
- ghosd = calloc(1, sizeof(Ghosd));
- ghosd->dpy = dpy;
- ghosd->win = win;
- ghosd->transparent = 1;
-
- return ghosd;
-}
-
-int
-ghosd_get_socket(Ghosd *ghosd) {
- return ConnectionNumber(ghosd->dpy);
-}
-
-/* vim: set ts=2 sw=2 et cino=(0 : */
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