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Added Linux native code for window icon setting.

This commit is contained in:
Kevin Glass 2005-07-06 19:46:35 +00:00
parent d99ec21e90
commit 2147b530b3
1 changed files with 62 additions and 4 deletions
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66
src/native/linux/org_lwjgl_opengl_Display.c
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@ -78,6 +78,9 @@ static Window current_win;
static window_mode current_window_mode;
static int current_height;
static int current_width;
static int current_depth;
static Visual *current_visual;
static bool input_released;
@ -404,6 +407,10 @@ static bool createWindow(JNIEnv* env, X11PeerInfo *peer_info, int x, int y, int
attribs.override_redirect = True;
}
win = XCreateWindow(getDisplay(), root_win, x, y, width, height, 0, vis_info->depth, InputOutput, vis_info->visual, attribmask, &attribs);
current_depth = vis_info->depth;
current_visual = vis_info->visual;
XFree(vis_info);
if (!checkXError(env, getDisplay())) {
XFreeColormap(getDisplay(), cmap);
@ -569,10 +576,61 @@ JNIEXPORT void JNICALL Java_org_lwjgl_opengl_LinuxDisplay_unlockAWT(JNIEnv *env,
jawt.Unlock(env);
}
JNIEXPORT jint JNICALL Java_org_lwjgl_opengl_LinuxDisplay_nSetWindowIcon
(JNIEnv *env, jclass clazz, jobject iconBuffer)
{
int setIcon(char *data,int width,int height) {
XWMHints* win_hints;
int x = 0;
int y = 5;
char r,g,b,a;
int depth = 4;
for (y=0;y<height;y++) {
for (x=0;x<width;x++) {
r = data[(x*4)+(y*width*4)];
g = data[(x*4)+(y*width*4)+1];
b = data[(x*4)+(y*width*4)+2];
a = data[(x*4)+(y*width*4)+3];
data[(x*depth)+(y*width*depth)] = b; // blue
data[(x*depth)+(y*width*depth)+1] = g; // green
data[(x*depth)+(y*width*depth)+2] = r;
data[(x*depth)+(y*width*depth)+3] = a;
}
}
Pixmap icon_pixmap = XCreatePixmap(getDisplay(), getCurrentWindow(), width, height, current_depth);
XImage *image = XCreateImage(getDisplay(), current_visual, current_depth, ZPixmap, 0, data, width, height, 32, 0);
GC gc = XCreateGC(getDisplay(), icon_pixmap, 0, NULL);
XPutImage(getDisplay(), icon_pixmap, gc, image, 0, 0, 0, 0, width, height);
win_hints = XAllocWMHints();
if (!win_hints) {
return -1;
}
win_hints->flags = IconPixmapHint;
win_hints->icon_pixmap = icon_pixmap;
XSetWMHints(getDisplay(), getCurrentWindow(), win_hints);
XFree(win_hints);
XFlush(getDisplay());
return 0;
}
JNIEXPORT jint JNICALL Java_org_lwjgl_opengl_LinuxDisplay_nSetWindowIcon
(JNIEnv *env, jclass clazz, jobject iconBuffer)
{
char *imgData = (char *)(*env)->GetDirectBufferAddress(env, iconBuffer);
if (setIcon(imgData,32,32) == 0)
{
return 1;
}
return 0;
}