Commit 56bdd4b6 authored by Jindřich Makovička's avatar Jindřich Makovička Committed by Gerd Hoffmann
Browse files

sdl: shorten the GUI refresh interval when mouse or keyboard is active 



Signed-off-by: default avatarJindřich Makovička <makovick@gmail.com>
Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent 919e11f3

include/ui/sdl2.h

+1 −0
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ struct sdl2_console { 
    int hidden;

    int opengl;

    int updates;

    int idle_counter;

    SDL_GLContext winctx;

#ifdef CONFIG_OPENGL

    ConsoleGLState *gls;

ui/sdl.c

+22 −0
Original line number Diff line number Diff line
@@ -60,6 +60,11 @@ static SDL_Cursor *guest_sprite = NULL; 
static SDL_PixelFormat host_format;

static int scaling_active = 0;

static Notifier mouse_mode_notifier;

static int idle_counter;



#define SDL_REFRESH_INTERVAL_BUSY 10

#define SDL_MAX_IDLE_COUNT (2 * GUI_REFRESH_INTERVAL_DEFAULT \

                            / SDL_REFRESH_INTERVAL_BUSY + 1)



#if 0

#define DEBUG_SDL
@@ -802,6 +807,7 @@ static void handle_activation(SDL_Event *ev) 
static void sdl_refresh(DisplayChangeListener *dcl)

{

    SDL_Event ev1, *ev = &ev1;

    int idle = 1;



    if (last_vm_running != runstate_is_running()) {

        last_vm_running = runstate_is_running();
@@ -817,9 +823,11 @@ static void sdl_refresh(DisplayChangeListener *dcl) 
            sdl_update(dcl, 0, 0, real_screen->w, real_screen->h);

            break;

        case SDL_KEYDOWN:

            idle = 0;

            handle_keydown(ev);

            break;

        case SDL_KEYUP:

            idle = 0;

            handle_keyup(ev);

            break;

        case SDL_QUIT:
@@ -829,10 +837,12 @@ static void sdl_refresh(DisplayChangeListener *dcl) 
            }

            break;

        case SDL_MOUSEMOTION:

            idle = 0;

            handle_mousemotion(ev);

            break;

        case SDL_MOUSEBUTTONDOWN:

        case SDL_MOUSEBUTTONUP:

            idle = 0;

            handle_mousebutton(ev);

            break;

        case SDL_ACTIVEEVENT:
@@ -847,6 +857,18 @@ static void sdl_refresh(DisplayChangeListener *dcl) 
            break;

        }

    }



    if (idle) {

        if (idle_counter < SDL_MAX_IDLE_COUNT) {

            idle_counter++;

            if (idle_counter >= SDL_MAX_IDLE_COUNT) {

                dcl->update_interval = GUI_REFRESH_INTERVAL_DEFAULT;

            }

        }

    } else {

        idle_counter = 0;

        dcl->update_interval = SDL_REFRESH_INTERVAL_BUSY;

    }

}



static void sdl_mouse_warp(DisplayChangeListener *dcl,

ui/sdl2.c

+23 −0
Original line number Diff line number Diff line
@@ -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,