From 7ec17eeb4a8d754aec18d72839430e9b492c8273 Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Sat, 11 Jul 2020 14:21:37 +0200
Subject: Add ctrl+f keybind for fullscreening video

---
 README.md          |  1 +
 src/QuickMedia.cpp | 41 ++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 41 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 667edde..db74a50 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,7 @@ echo -e "hello\nworld" | QuickMedia dmenu
 Press `arrow up` and `arrow down` to navigate the menu and also to scroll to the previous/next image when viewing manga in scorll mode. Alternatively you can use the mouse scroll to scroll to the previous/next manga in scroll mode.\
 Press `Enter` (aka `Return`) to select the item.\
 Press `ESC` to go back to the previous menu.\
+Press `Ctrl + F` to toggle fullscreen when watching a video.\
 Press `Ctrl + T` when hovering over a manga chapter to start tracking manga after that chapter. This only works if AutoMedia is installed and
 accessible in PATH environment variable.\
 Press `Backspace` to return to the preview item when reading replies in image board threads.\
diff --git a/src/QuickMedia.cpp b/src/QuickMedia.cpp
index e2b4a2b..6cf6875 100644
--- a/src/QuickMedia.cpp
+++ b/src/QuickMedia.cpp
@@ -798,6 +798,42 @@ namespace QuickMedia {
         return -1;
     }
 
+    enum class WindowFullscreenState {
+        UNSET,
+        SET,
+        TOGGLE
+    };
+
+    static bool window_set_fullscreen(Display *display, Window window, WindowFullscreenState state) {
+        Atom wm_state_atom = XInternAtom(display, "_NET_WM_STATE", False);
+        Atom wm_state_fullscreen_atom = XInternAtom(display, "_NET_WM_STATE_FULLSCREEN", False);
+        if(wm_state_atom == False || wm_state_fullscreen_atom == False) {
+            fprintf(stderr, "Failed to fullscreen window. The window manager doesn't support fullscreening windows.\n");
+            return false;
+        }
+
+        XEvent xev;
+        xev.type = ClientMessage;
+        xev.xclient.window = window;
+        xev.xclient.message_type = wm_state_atom;
+        xev.xclient.format = 32;
+        xev.xclient.data.l[0] = (int)state;
+        xev.xclient.data.l[1] = wm_state_fullscreen_atom;
+        xev.xclient.data.l[2] = 0;
+        xev.xclient.data.l[3] = 1;
+        xev.xclient.data.l[4] = 0;
+
+        if(!XSendEvent(display, XDefaultRootWindow(display), 0, SubstructureRedirectMask | SubstructureNotifyMask, &xev)) {
+            fprintf(stderr, "Failed to fullscreen window\n");
+            return false;
+        }
+
+        XFlush(display);
+        return true;
+    }
+
+#define CLEANMASK(mask) ((mask) & (ShiftMask|ControlMask|Mod1Mask|Mod4Mask|Mod5Mask))
+
     void Program::video_content_page() {
         search_bar->onTextUpdateCallback = nullptr;
         search_bar->onTextSubmitCallback = nullptr;
@@ -918,6 +954,8 @@ namespace QuickMedia {
                 KeySym pressed_keysym = XKeycodeToKeysym(disp, xev.xkey.keycode, 0);
                 if(pressed_keysym == XK_Escape) {
                     current_page = previous_page;
+                } else if(pressed_keysym == XK_f && CLEANMASK(xev.xkey.state) == ControlMask) {
+                    window_set_fullscreen(disp, window.getSystemHandle(), WindowFullscreenState::TOGGLE);
                 }
             }
 
@@ -965,6 +1003,7 @@ namespace QuickMedia {
         }
 
         //window.setMouseCursorVisible(true);
+        window_set_fullscreen(disp, window.getSystemHandle(), WindowFullscreenState::UNSET);
     }
 
     enum class TrackMediaType {
@@ -1055,7 +1094,7 @@ namespace QuickMedia {
                     BodyItem *selected_item = body->get_selected();
                     if(selected_item) {
                         if(track_media(TrackMediaType::HTML, content_title, selected_item->title, content_url) == 0) {
-                            show_notification("Media tracker", "You are now tracking \"" + content_title + "\" after \"" + selected_item->title + "\"");
+                            show_notification("Media tracker", "You are now tracking \"" + content_title + "\" after \"" + selected_item->title + "\"", Urgency::LOW);
                         } else {
                             show_notification("Media tracker", "Failed to track media \"" + content_title + "\", chapter: \"" + selected_item->title + "\"", Urgency::CRITICAL);
                         }
-- 
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