diff options
| -rw-r--r-- | README.md | 2 | ||||
| -rw-r--r-- | src/main.cpp | 78 |
2 files changed, 70 insertions, 10 deletions
@@ -8,7 +8,7 @@ Might now work when using a compositor such as picom when using the glx backend. ## Installation gpu screen recorder gtk can be built using [sibs](https://git.dec05eba.com/sibs) or if you are running Arch Linux, then you can find it on aur under the name gpu-screen-recorder-gtk-git (`yay -S gpu-screen-recorder-gtk-git`). [gpu-screen-recorder](https://git.dec05eba.com/gpu-screen-recorder/) needs to be installed to use gpu screen recorder gtk.\ -Recording monitors requires a gpu with NvFBC support (note: this is not required when recording a single window!). Normally only tesla and quadro gpus support this, but by using https://github.com/keylase/nvidia-patch you can do this on all gpus that support nvenc as well (gpus as old as the nvidia 600 series), provided you are not using outdated gpu drivers. +Recording monitors requires a gpu with NvFBC support (note: this is not required when recording a single window!). Normally only tesla and quadro gpus support this, but by using [nvidia-patch](https://github.com/keylase/nvidia-patch) or [nvlax](https://github.com/illnyang/nvlax) you can do this on all gpus that support nvenc as well (gpus as old as the nvidia 600 series), provided you are not using outdated gpu drivers. ## Screenshots  diff --git a/src/main.cpp b/src/main.cpp index 5a85458..9039058 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -1,7 +1,7 @@ #include <gtk/gtk.h> #include <gdk/gdkx.h> #include <X11/Xlib.h> -#include <X11/XKBlib.h> +#include <X11/Xatom.h> #include <X11/cursorfont.h> #include <X11/extensions/Xrandr.h> #include <assert.h> @@ -163,6 +163,61 @@ static void enable_stream_record_button_if_info_filled() { gtk_widget_set_sensitive(GTK_WIDGET(stream_button), true); } +static bool window_has_atom(Display *display, Window window, Atom atom) { + Atom type; + unsigned long len, bytes_left; + int format; + unsigned char *properties = nullptr; + if(XGetWindowProperty(display, window, atom, 0, 1024, False, AnyPropertyType, &type, &format, &len, &bytes_left, &properties) < Success) + return false; + + if(properties) + XFree(properties); + + return type != None; +} + +static Window window_get_target_window(Display *display, Window window) { + if(window == None) + return None; + + Atom wm_state_atom = XInternAtom(display, "_NET_WM_STATE", False); + if(!wm_state_atom) + return None; + + if(window_has_atom(display, window, wm_state_atom)) + return window; + + Window root; + Window parent; + Window *children = nullptr; + unsigned int num_children = 0; + if(!XQueryTree(display, window, &root, &parent, &children, &num_children) || !children) + return None; + + Window found_window = None; + for(int i = num_children - 1; i >= 0; --i) { + if(children[i] && window_has_atom(display, children[i], wm_state_atom)) { + found_window = children[i]; + goto finished; + } + } + + for(int i = num_children - 1; i >= 0; --i) { + if(children[i]) { + Window win = window_get_target_window(display, children[i]); + if(win) { + found_window = win; + goto finished; + } + } + } + + finished: + XFree(children); + return found_window; +} + /* TODO: Look at xwininfo source to figure out how to make this work for different types of window managers */ static GdkFilterReturn filter_callback(GdkXEvent *xevent, GdkEvent *event, gpointer userdata) { SelectWindowUserdata *select_window_userdata = (SelectWindowUserdata*)userdata; @@ -172,11 +227,9 @@ static GdkFilterReturn filter_callback(GdkXEvent *xevent, GdkEvent *event, gpoin return GDK_FILTER_CONTINUE; Window target_win = ev->xbutton.subwindow; - - if(target_win == None) { - fprintf(stderr, "Selected the root window! (no window selected)\n"); - return GDK_FILTER_CONTINUE; - } + Window new_window = window_get_target_window(select_window_userdata->display, target_win); + if(new_window) + target_win = new_window; int status = XUngrabPointer(select_window_userdata->display, CurrentTime); if(!status) { @@ -185,6 +238,14 @@ static GdkFilterReturn filter_callback(GdkXEvent *xevent, GdkEvent *event, gpoin exit(1); } + if(target_win == None) { + show_notification(select_window_userdata->app, "GPU Screen Recorder", "No window selected!", G_NOTIFICATION_PRIORITY_URGENT); + GdkScreen *screen = gdk_screen_get_default(); + GdkWindow *root_window = gdk_screen_get_root_window(screen); + gdk_window_remove_filter(root_window, filter_callback, select_window_userdata); + return GDK_FILTER_REMOVE; + } + std::string window_name; XTextProperty wm_name_prop; if(XGetWMName(select_window_userdata->display, target_win, &wm_name_prop) && wm_name_prop.nitems > 0) { @@ -203,7 +264,7 @@ static GdkFilterReturn filter_callback(GdkXEvent *xevent, GdkEvent *event, gpoin window_name += "(no name)"; } - fprintf(stderr, "window name: %s\n", window_name.c_str()); + fprintf(stderr, "window name: %s, window id: %ld\n", window_name.c_str(), target_win); gtk_button_set_label(select_window_userdata->select_window_button, window_name.c_str()); select_window_userdata->selected_window = target_win; @@ -1042,6 +1103,7 @@ static void grabkeys(Display *display) { for(int i = 0; i < 4; ++i) XGrabKey(display, XKeysymToKeycode(display, XK_F1), Mod1Mask|modifiers[i], root_window, False, GrabModeAsync, GrabModeAsync); + XSync(display, False); XSetErrorHandler(prev_error_handler); } @@ -1113,8 +1175,6 @@ static void activate(GtkApplication *app, gpointer userdata) { GdkWindow *root_window = gdk_get_default_root_window(); //gdk_window_set_events(root_window, GDK_BUTTON_PRESS_MASK); gdk_window_add_filter(root_window, hotkey_filter_callback, &page_navigation_userdata); - Bool sup = False; - XkbSetDetectableAutoRepeat(display, True, &sup); g_timeout_add(1000, handle_child_process_death, app); |