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fix(sdl): fix resizing by mouse

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This commit is contained in:
Gabor Kiss-Vamosi 2023-03-06 05:28:01 +01:00
parent a30c11b775
commit 98c27d4ddc
2 changed files with 12 additions and 5 deletions
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1
src/core/lv_disp.c
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@ -225,7 +225,6 @@ void lv_disp_set_res(lv_disp_t * disp, lv_coord_t hor_res, lv_coord_t ver_res)
if(disp->hor_res == hor_res && disp->ver_res == ver_res) return;
disp->hor_res = hor_res;
disp->ver_res = ver_res;

16
src/dev/sdl/lv_sdl_window.c
View File

@ -26,6 +26,7 @@ typedef struct {
SDL_Texture * texture;
lv_color_t * fb;
uint8_t zoom;
uint8_t ignore_size_chg;
} lv_sdl_window_t;
/**********************
@ -105,8 +106,6 @@ uint8_t lv_sdl_window_get_zoom(lv_disp_t * disp)
return dsc->zoom;
}
lv_disp_t * _lv_sdl_get_disp_from_win_id(uint32_t win_id)
{
lv_disp_t * disp = lv_disp_get_next(NULL);
@ -169,8 +168,10 @@ static void sdl_event_handler(lv_timer_t * t)
case SDL_WINDOWEVENT_EXPOSED:
window_update(disp);
break;
case SDL_WINDOWEVENT_SIZE_CHANGED:
case SDL_WINDOWEVENT_RESIZED:
dsc->ignore_size_chg = 1;
lv_disp_set_res(disp, event.window.data1 / dsc->zoom, event.window.data2 / dsc->zoom);
dsc->ignore_size_chg = 0;
lv_refr_now(disp);
break;
case SDL_WINDOWEVENT_CLOSE:
@ -239,7 +240,6 @@ static void texture_resize(lv_disp_t * disp)
dsc->fb = (lv_color_t *)realloc(dsc->fb, sizeof(lv_color_t) * hor_res * ver_res);
lv_disp_set_draw_buffers(disp, dsc->fb, NULL, hor_res * ver_res * sizeof(lv_color_t), LV_DISP_RENDER_MODE_DIRECT);
SDL_SetWindowSize(dsc->window, hor_res * dsc->zoom, ver_res * dsc->zoom);
if(dsc->texture) SDL_DestroyTexture(dsc->texture);
#if LV_COLOR_DEPTH == 32
@ -260,6 +260,14 @@ static void texture_resize(lv_disp_t * disp)
static void res_chg_event_cb(lv_event_t * e)
{
lv_disp_t * disp = lv_event_get_target(e);
int32_t hor_res = lv_disp_get_hor_res(disp);
int32_t ver_res = lv_disp_get_ver_res(disp);
lv_sdl_window_t * dsc = lv_disp_get_driver_data(disp);
if(dsc->ignore_size_chg == false) {
SDL_SetWindowSize(dsc->window, hor_res * dsc->zoom, ver_res * dsc->zoom);
}
texture_resize(disp);
}