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SDL3: Open/Save dialogs work now, although leak a little bit of memory when displayed each time

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UnknownShadow200 2024-03-31 23:06:43 +11:00
parent 86961f50a3
commit 6369631ebe
1 changed files with 47 additions and 15 deletions
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62
src/Window_SDL3.c
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@ -8,6 +8,7 @@
#include "Errors.h"
#include <SDL3/SDL.h>
static SDL_Window* win_handle;
static Uint32 dlg_event;
#warning "Some features are missing from the SDL3 backend. If possible, it is recommended that you use a native windowing backend instead"
@ -28,8 +29,10 @@ static void Window_SDLFail(const char* place) {
void Window_Init(void) {
SDL_Init(SDL_INIT_VIDEO);
int displayID = SDL_GetPrimaryDisplay();
const SDL_DisplayMode* mode = SDL_GetDesktopDisplayMode(displayID);
Input.Sources = INPUT_SOURCE_NORMAL;
const SDL_DisplayMode* mode = SDL_GetDesktopDisplayMode(displayID);
dlg_event = SDL_RegisterEvents(1);
DisplayInfo.Width = mode->w;
DisplayInfo.Height = mode->h;
@ -107,8 +110,8 @@ void Window_RequestClose(void) {
}
static int MapNativeKey(SDL_Keycode k) {
if (k >= SDLK_0 && k <= SDLK_9) { return '0' + (k - SDLK_0); }
if (k >= SDLK_a && k <= SDLK_z) { return 'A' + (k - SDLK_a); }
if (k >= SDLK_0 && k <= SDLK_9) { return '0' + (k - SDLK_0); }
if (k >= SDLK_a && k <= SDLK_z) { return 'A' + (k - SDLK_a); }
if (k >= SDLK_F1 && k <= SDLK_F12) { return CCKEY_F1 + (k - SDLK_F1); }
if (k >= SDLK_F13 && k <= SDLK_F24) { return CCKEY_F13 + (k - SDLK_F13); }
/* SDLK_KP_0 isn't before SDLK_KP_1 */
@ -203,6 +206,7 @@ static void OnTextEvent(const SDL_Event* e) {
src += i; len -= i;
}
}
static void ProcessDialogEvent(SDL_Event* e);
void Window_ProcessEvents(double delta) {
SDL_Event e;
@ -260,6 +264,9 @@ void Window_ProcessEvents(double delta) {
case SDL_EVENT_WINDOW_CLOSE_REQUESTED:
Window_RequestClose();
break;
default:
if (e.type == dlg_event) ProcessDialogEvent(&e);
break;
}
}
}
@ -286,18 +293,41 @@ static void ShowDialogCore(const char* title, const char* msg) {
}
static FileDialogCallback dlgCallback;
static SDL_DialogFileFilter* save_filters;
static void ProcessDialogEvent(SDL_Event* e) {
char* result = e->user.data1;
int length = e->user.code;
cc_string path; char pathBuffer[1024];
String_InitArray(path, pathBuffer);
String_AppendUtf8(&path, result, length);
dlgCallback(&path);
dlgCallback = NULL;
Mem_Free(result);
}
static void DialogCallback(void *userdata, const char* const* filelist, int filter) {
if (!filelist) return; /* Error occurred */
const char* result = filelist[0];
if (!result) return; /* No file provided */
cc_string path; char pathBuffer[1024];
String_InitArray(path, pathBuffer);
String_AppendUtf8(&path, result, String_Length(result));
char* path = Mem_Alloc(NATIVE_STR_LEN, 1, "Dialog path");
cc_string str = String_Init(path, 0, NATIVE_STR_LEN);
String_AppendUtf8(&str, result, String_Length(result));
// TODO: Because this isn't run from the main thread, it stuffs things up
//dlgCallback(&path);
dlgCallback = NULL;
// May need to add file extension when saving, e.g. on Windows
if (save_filters && filter >= 0 && save_filters[filter].pattern)
String_Format1(&str, ".%c", save_filters[filter].pattern);
// Dialog callback may not be called from the main thread
// (E.g. on windows it is called from a background thread)
SDL_Event e = { 0 };
e.type = SDL_EVENT_USER;
e.user.code = str.length;
e.user.data1 = path;
SDL_PushEvent(&e);
}
cc_result Window_OpenFileDialog(const struct OpenFileDialogArgs* args) {
@ -319,21 +349,22 @@ cc_result Window_OpenFileDialog(const struct OpenFileDialogArgs* args) {
filters[0].pattern = pattern;
filters[1].name = NULL;
filters[1].pattern = NULL;
Platform_Log1("PATTERN: %c", pattern);
dlgCallback = args->Callback;
dlgCallback = args->Callback;
save_filters = NULL;
SDL_ShowOpenFileDialog(DialogCallback, NULL, win_handle, filters, NULL, false);
return 0;
}
#define SDL_MAX_DIALOG_FILTERS 10
#define MAX_SAVE_DIALOG_FILTERS 10
cc_result Window_SaveFileDialog(const struct SaveFileDialogArgs* args) {
// TODO free memory
char* defName = Mem_Alloc(NATIVE_STR_LEN, 1, "SaveDialog default");
SDL_DialogFileFilter* filters = Mem_Alloc(SDL_MAX_DIALOG_FILTERS + 1, sizeof(SDL_DialogFileFilter), "SaveDialog filters");
SDL_DialogFileFilter* filters = Mem_Alloc(MAX_SAVE_DIALOG_FILTERS + 1, sizeof(SDL_DialogFileFilter), "SaveDialog filters");
int i;
String_EncodeUtf8(defName, &args->defaultName);
for (i = 0; i < SDL_MAX_DIALOG_FILTERS; i++)
for (i = 0; i < MAX_SAVE_DIALOG_FILTERS; i++)
{
if (!args->filters[i]) break;
filters[i].name = args->titles[i];
@ -343,7 +374,8 @@ cc_result Window_SaveFileDialog(const struct SaveFileDialogArgs* args) {
filters[i].name = NULL;
filters[i].pattern = NULL;
dlgCallback = args->Callback;
dlgCallback = args->Callback;
save_filters = filters;
SDL_ShowSaveFileDialog(DialogCallback, NULL, win_handle, filters, defName);
return 0;
}