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Copy and paste some code from xwininfo

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This commit is contained in:
Simon Steinbeiss
2017-01-23 23:12:15 +01:00
parent 2a157dfdc1
commit 68a68ce67b
2 changed files with 81 additions and 0 deletions
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80
src/process-window.c
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@@ -15,6 +15,14 @@
#include <unistd.h>
#endif
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <X11/Xos.h>
#include <X11/Xmu/WinUtil.h>
#include <X11/cursorfont.h>
#include <X11/Xproto.h>
#include <glib-object.h>
#include <glib/gi18n.h>
#include <gtk/gtk.h>
@@ -82,6 +90,72 @@ filter_entry_icon_pressed_cb (GtkEntry *entry,
}
}
Window
Select_Window (Display *dpy, int screen)
{
int status;
Cursor cursor;
XEvent event;
Window target_win = None, root = RootWindow(dpy,screen);
int buttons = 0;
/* Make the target cursor */
cursor = XCreateFontCursor(dpy, XC_crosshair);
/* Grab the pointer using target cursor, letting it roam all over */
status = XGrabPointer(dpy, root, False,
ButtonPressMask|ButtonReleaseMask, GrabModeSync,
GrabModeAsync, root, cursor, CurrentTime);
if (status != GrabSuccess) {
fprintf (stderr, "Can't grab the mouse.\n");
return None;
}
/* Let the user select a window... */
while ((target_win == None) || (buttons != 0)) {
/* allow one more event */
XAllowEvents(dpy, SyncPointer, CurrentTime);
XWindowEvent(dpy, root, ButtonPressMask|ButtonReleaseMask, &event);
switch (event.type) {
case ButtonPress:
if (target_win == None) {
target_win = event.xbutton.subwindow; /* window selected */
if (target_win == None) target_win = root;
}
buttons++;
break;
case ButtonRelease:
if (buttons > 0) /* there may have been some down before we started */
buttons--;
break;
}
}
XUngrabPointer(dpy, CurrentTime); /* Done with pointer */
return target_win;
}
static void
xwininfo_clicked_cb (GtkButton *button, gpointer user_data) {
Window window;
Display *dpy = NULL;
XID id = None;
dpy = XOpenDisplay (NULL);
window = Select_Window (dpy, 0);
if (window) {
/* Window root;
int dummyi;
unsigned int dummy;
if (XGetGeometry (dpy, window, &root, &dummyi, &dummyi,
&dummy, &dummy, &dummy, &dummy) && window != root) */
window = XmuClientWindow (dpy, window);
}
g_warning ("Window ID: 0x%lx", window);
}
static void
filter_entry_keyrelease_handler(GtkEntry *entry,
XtmProcessTreeView *treeview)
@@ -116,6 +190,7 @@ static void
xtm_process_window_init (XtmProcessWindow *window)
{
GtkWidget *button;
GtkToolItem *xwininfo;
gint width, height;
gchar *markup;
@@ -142,6 +217,11 @@ xtm_process_window_init (XtmProcessWindow *window)
window->settings_button = xtm_settings_tool_button_new ();
gtk_toolbar_insert (GTK_TOOLBAR (window->toolbar), GTK_TOOL_ITEM (window->settings_button), 1);
xwininfo = gtk_tool_button_new (NULL, _("Identify"));
gtk_toolbar_insert(GTK_TOOLBAR (window->toolbar), GTK_TOOL_ITEM(xwininfo), 2);
g_signal_connect (G_OBJECT (xwininfo), "clicked",
G_CALLBACK (xwininfo_clicked_cb), window);
button = GTK_WIDGET (gtk_builder_get_object (window->builder, "toolbutton-about"));
g_signal_connect_swapped (button, "clicked", G_CALLBACK (show_about_dialog), window);

1
src/process-window.h
View File

@@ -14,6 +14,7 @@
#include <config.h>
#endif
#include <X11/Xlib.h>
#include <glib-object.h>
#include <gtk/gtk.h>