From c735d49979a995d59f1095d6048766f35e337497 Mon Sep 17 00:00:00 2001 From: Dana Jansens Date: Tue, 11 Feb 2003 13:08:56 +0000 Subject: [PATCH] add an app to display the icons for a window --- tests/icons.cpp | 163 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 163 insertions(+) create mode 100644 tests/icons.cpp diff --git a/tests/icons.cpp b/tests/icons.cpp new file mode 100644 index 00000000..cef68cc9 --- /dev/null +++ b/tests/icons.cpp @@ -0,0 +1,163 @@ +#include +#include +#include +#include +#include +#include +#include + +Window findClient(Display *d, Window win) +{ + Window r, *children; + unsigned int n; + XQueryTree(d, win, &r, &r, &children, &n); + for (unsigned int i = 0; i < n; ++i) { + Window w = findClient(d, children[i]); + if (w) return w; + } + + // try me + Atom state = XInternAtom(d, "WM_STATE", true); + Atom ret_type; + int ret_format; + unsigned long ret_items, ret_bytesleft; + unsigned long *prop_return; + XGetWindowProperty(d, win, state, 0, 1, + false, state, &ret_type, &ret_format, + &ret_items, &ret_bytesleft, + (unsigned char**) &prop_return); + if (ret_type == None || ret_items < 1) + return None; + return win; // found it! +} + +int main(int argc, char **argv) +{ + Display *d = XOpenDisplay(NULL); + int s = DefaultScreen(d); + Atom net_wm_icon = XInternAtom(d, "_NET_WM_ICON", true); + Atom ret_type; + unsigned int winw = 0, winh = 0; + int ret_format; + unsigned long ret_items, ret_bytesleft; + const int MAX_IMAGES = 10; + unsigned long *prop_return[MAX_IMAGES]; + XImage *i[MAX_IMAGES]; + + printf("Click on a window with an icon...\n"); + + //int id = strtol(argv[1], NULL, 16); + XUngrabPointer(d, CurrentTime); + Window id; + Cursor cur = XCreateFontCursor(d, XC_crosshair); + XGrabPointer(d, RootWindow(d, s), false, ButtonPressMask, GrabModeAsync, + GrabModeAsync, None, cur, CurrentTime); + XEvent ev; + while (true) { + XNextEvent(d, &ev); + if (ev.type == ButtonPress) { + XUngrabPointer(d, CurrentTime); + id = ev.xbutton.subwindow; + id = findClient(d, id); + break; + } + } + + printf("Using window 0x%lx\n", id); + + long offset = 0; + int image = 0; + + do { + XGetWindowProperty(d, id, net_wm_icon, offset++, 1, + false, XA_CARDINAL, &ret_type, &ret_format, + &ret_items, &ret_bytesleft, + (unsigned char**) &prop_return[image]); + if (ret_type == None || ret_items < 1) { + printf("No icon found\n"); + return 1; + } + unsigned int w = prop_return[image][0]; + XFree(prop_return[image]); + + XGetWindowProperty(d, id, net_wm_icon, offset++, 1, + false, XA_CARDINAL, &ret_type, &ret_format, + &ret_items, &ret_bytesleft, + (unsigned char**) &prop_return[image]); + if (ret_type == None || ret_items < 1) { + printf("Failed to get height\n"); + return 1; + } + unsigned int h = prop_return[image][0]; + XFree(prop_return[image]); + + XGetWindowProperty(d, id, net_wm_icon, offset, w*h, + false, XA_CARDINAL, &ret_type, &ret_format, + &ret_items, &ret_bytesleft, + (unsigned char**) &prop_return[image]); + if (ret_type == None || ret_items < w*h) { + printf("Failed to get image data\n"); + return 1; + } + offset += w*h; + + printf("Image dimentions: %d, %d\n", w, h); + + i[image] = XCreateImage(d, DefaultVisual(d, s), DefaultDepth(d, s), + ZPixmap, 0, NULL, w, h, 32, 0); + assert(i[image]); + i[image]->byte_order = LSBFirst; + i[image]->data = (char*)prop_return[image]; + for (unsigned int j = 0; j < w*h; j++) { + unsigned char alpha = (unsigned char)i[image]->data[j*4+3]; + unsigned char r = (unsigned char) i[image]->data[j*4+0]; + unsigned char g = (unsigned char) i[image]->data[j*4+1]; + unsigned char b = (unsigned char) i[image]->data[j*4+2]; + + // background color + unsigned char bgr = 40; + unsigned char bgg = 0x8f; + unsigned char bgb = 40; + + r = bgr + (r - bgr) * alpha / 256; + g = bgg + (g - bgg) * alpha / 256; + b = bgb + (b - bgb) * alpha / 256; + + i[image]->data[j*4+0] = (char) r; + i[image]->data[j*4+1] = (char) g; + i[image]->data[j*4+2] = (char) b; + } + + winw += w; + if (h > winh) winh = h; + + ++image; + } while (ret_bytesleft > 0 && image < MAX_IMAGES); + + Window win = XCreateSimpleWindow(d, RootWindow(d, s), 0, 0, winw, winh, + 0, 0, 0); + assert(win); + XMapWindow(d, win); + + Pixmap p = XCreatePixmap(d, win, winw, winh, DefaultDepth(d, s)); + XFillRectangle(d, p, DefaultGC(d, s), 0, 0, winw, winh); + + unsigned int x = 0; + for (int j = 0; j < image; ++j) { + XPutImage(d, p, DefaultGC(d, s), i[j], 0, 0, x, 0, + i[j]->width, i[j]->height); + x += i[j]->width; + XFree(prop_return[j]); + XDestroyImage(i[j]); + } + + XSetWindowBackgroundPixmap(d, win, p); + XClearWindow(d, win); + + XFlush(d); + + getchar(); + + XFreePixmap(d, p); + XCloseDisplay(d); +} -- 2.39.2