From 56bdd4b69aa10bec274b1e812685bcf44dcb0c72 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jind=C5=99ich=20Makovi=C4=8Dka?= Date: Tue, 12 Jan 2016 20:18:24 +0100 Subject: sdl: shorten the GUI refresh interval when mouse or keyboard is active MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Jindřich Makovička Signed-off-by: Gerd Hoffmann --- ui/sdl2.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'ui/sdl2.c') diff --git a/ui/sdl2.c b/ui/sdl2.c index 46270f4172..c0a76d7744 100644 --- a/ui/sdl2.c +++ b/ui/sdl2.c @@ -49,6 +49,10 @@ static int guest_x, guest_y; static SDL_Cursor *guest_sprite; static Notifier mouse_mode_notifier; +#define SDL2_REFRESH_INTERVAL_BUSY 10 +#define SDL2_MAX_IDLE_COUNT (2 * GUI_REFRESH_INTERVAL_DEFAULT \ + / SDL2_REFRESH_INTERVAL_BUSY + 1) + static void sdl_update_caption(struct sdl2_console *scon); static struct sdl2_console *get_scon_from_window(uint32_t window_id) @@ -578,6 +582,7 @@ static void handle_windowevent(SDL_Event *ev) void sdl2_poll_events(struct sdl2_console *scon) { SDL_Event ev1, *ev = &ev1; + int idle = 1; if (scon->last_vm_running != runstate_is_running()) { scon->last_vm_running = runstate_is_running(); @@ -587,12 +592,15 @@ void sdl2_poll_events(struct sdl2_console *scon) while (SDL_PollEvent(ev)) { switch (ev->type) { case SDL_KEYDOWN: + idle = 0; handle_keydown(ev); break; case SDL_KEYUP: + idle = 0; handle_keyup(ev); break; case SDL_TEXTINPUT: + idle = 0; handle_textinput(ev); break; case SDL_QUIT: @@ -602,13 +610,16 @@ void sdl2_poll_events(struct sdl2_console *scon) } break; case SDL_MOUSEMOTION: + idle = 0; handle_mousemotion(ev); break; case SDL_MOUSEBUTTONDOWN: case SDL_MOUSEBUTTONUP: + idle = 0; handle_mousebutton(ev); break; case SDL_MOUSEWHEEL: + idle = 0; handle_mousewheel(ev); break; case SDL_WINDOWEVENT: @@ -618,6 +629,18 @@ void sdl2_poll_events(struct sdl2_console *scon) break; } } + + if (idle) { + if (scon->idle_counter < SDL2_MAX_IDLE_COUNT) { + scon->idle_counter++; + if (scon->idle_counter >= SDL2_MAX_IDLE_COUNT) { + scon->dcl.update_interval = GUI_REFRESH_INTERVAL_DEFAULT; + } + } + } else { + scon->idle_counter = 0; + scon->dcl.update_interval = SDL2_REFRESH_INTERVAL_BUSY; + } } static void sdl_mouse_warp(DisplayChangeListener *dcl, -- cgit v1.2.1