WIP on save file dialog support, that allows saving a map to anywhere on disc as either a .cw or a .schematic

src/Menus.c

@@ -1279,15 +1279,15 @@ static struct SaveLevelScreen {
 	struct FontDesc titleFont, textFont;
 	struct ButtonWidget save, alt, cancel;
 	struct TextInputWidget input;
-	struct TextWidget mcEdit, desc;
+	struct TextWidget desc;
 } SaveLevelScreen;
 
-static struct Widget* save_widgets[6] = {
+static struct Widget* save_widgets[] = {
 	(struct Widget*)&SaveLevelScreen.save,   (struct Widget*)&SaveLevelScreen.alt,
-	(struct Widget*)&SaveLevelScreen.mcEdit, (struct Widget*)&SaveLevelScreen.cancel,
+	(struct Widget*)&SaveLevelScreen.cancel,
 	(struct Widget*)&SaveLevelScreen.input,  (struct Widget*)&SaveLevelScreen.desc,
 };
-#define SAVE_MAX_VERTICES (3 * BUTTONWIDGET_MAX + MENUINPUTWIDGET_MAX + 2 * TEXTWIDGET_MAX)
+#define SAVE_MAX_VERTICES (3 * BUTTONWIDGET_MAX + MENUINPUTWIDGET_MAX + TEXTWIDGET_MAX)
 
 static void SaveLevelScreen_UpdateSave(struct SaveLevelScreen* s) {
 	ButtonWidget_SetConst(&s->save, 
@@ -1352,7 +1352,7 @@ static void SaveLevelScreen_SaveMap(struct SaveLevelScreen* s, const cc_string*
 	res = Cw_Save(&compStream);
 #else
 	if (String_CaselessEnds(path, &cw)) {
-		res = Cw_Save(&compStream);
+		res = Cw_Save(&compStream); /* TODO change to checking for schematic instead */
 	} else {
 		res = Schematic_Save(&compStream);
 	}
@@ -1413,7 +1413,25 @@ static void SaveLevelScreen_Main(void* a, void* b) { SaveLevelScreen_Save(a, b,
 /* Use absolute path so data is written to memory filesystem instead of default filesystem */
 static void SaveLevelScreen_Alt(void* a, void* b)  { SaveLevelScreen_Save(a, b, "/%s.tmpmap"); }
 #else
-static void SaveLevelScreen_Alt(void* a, void* b)  { SaveLevelScreen_Save(a, b, "maps/%s.schematic"); }
+static void SaveLevelScreen_UploadCallback(const cc_string* path) {
+	SaveLevelScreen_SaveMap(NULL, path);
+}
+
+static void SaveLevelScreen_Alt(void* a, void* b)  { 
+	//SaveLevelScreen_Save(a, b, "maps/%s.schematic");
+	static const char* const titles[] = {
+		"ClassiCube map", "MineCraft schematic", NULL
+	};
+	static const char* const filters[] = {
+		".cw", ".schematic", NULL
+	};
+	static struct SaveFileDialogArgs args = {
+		filters, titles, SaveLevelScreen_UploadCallback
+	};
+
+	cc_result res = Window_SaveFileDialog(&args);
+	if (res) Logger_SimpleWarn(res, "showing save file dialog");
+}
 #endif
 
 static void SaveLevelScreen_Render(void* screen, double delta) {
@@ -1468,9 +1486,6 @@ static void SaveLevelScreen_ContextRecreated(void* screen) {
 	SaveLevelScreen_UpdateSave(s);
 	SaveLevelScreen_UpdateAlt(s);
 
-#ifndef CC_BUILD_WEB
-	TextWidget_SetConst(&s->mcEdit,   "&eCan be imported into MCEdit", &s->textFont);
-#endif
 	TextInputWidget_SetFont(&s->input, &s->textFont);
 	ButtonWidget_SetConst(&s->cancel, "Cancel",                        &s->titleFont);
 }
@@ -1487,7 +1502,6 @@ static void SaveLevelScreen_Layout(void* screen) {
 	Widget_SetLocation(&s->alt,    ANCHOR_CENTRE, ANCHOR_CENTRE,    0,  70);
 #else
 	Widget_SetLocation(&s->alt,    ANCHOR_CENTRE, ANCHOR_CENTRE, -150, 120);
-	Widget_SetLocation(&s->mcEdit, ANCHOR_CENTRE, ANCHOR_CENTRE,  110, 120);
 #endif
 
 	Menu_LayoutBack(&s->cancel);
@@ -1511,10 +1525,8 @@ static void SaveLevelScreen_Init(void* screen) {
 	ButtonWidget_Init(&s->save, 300, SaveLevelScreen_Main);
 #ifdef CC_BUILD_WEB
 	ButtonWidget_Init(&s->alt,  300, SaveLevelScreen_Alt);
-	s->widgets[2] = NULL; /* null mcEdit widget */
 #else
 	ButtonWidget_Init(&s->alt,  200, SaveLevelScreen_Alt);
-	TextWidget_Init(&s->mcEdit);
 #endif
 
 	ButtonWidget_Init(&s->cancel, 400, Menu_SwitchPause);

src/Window.h

@@ -131,17 +131,24 @@ CC_API void Window_ShowDialog(const char* title, const char* msg);
 
 #define OFD_UPLOAD_DELETE  0 /* (webclient) Deletes the uploaded file after invoking callback function */
 #define OFD_UPLOAD_PERSIST 1 /* (webclient) Saves the uploded file into IndexedDB */
-typedef void (*OpenFileDialogCallback)(const cc_string* path);
+typedef void (*FileDialogCallback)(const cc_string* path);
 
+struct SaveFileDialogArgs {
+	const char* const* filters; /* File extensions to limit dialog to showing (e.g. ".zip", NULL) */
+	const char* const* titles;  /* Descriptions to show for each file extension */
+	FileDialogCallback Callback;
+};
 struct OpenFileDialogArgs {
 	const char* description; /* Describes the types of files supported (e.g. "Texture packs") */
 	const char* const* filters; /* File extensions to limit dialog to showing (e.g. ".zip", NULL) */
-	OpenFileDialogCallback Callback;
+	FileDialogCallback Callback;
 	int uploadAction; /* Action webclient takes after invoking callback function */
 	const char* uploadFolder; /* For webclient, folder to upload the file to */
 };
 /* Shows an 'load file' dialog window */
 cc_result Window_OpenFileDialog(const struct OpenFileDialogArgs* args);
+/* Shows an 'save file' dialog window */
+cc_result Window_SaveFileDialog(const struct SaveFileDialogArgs* args);
 
 /* Allocates a framebuffer that can be drawn/transferred to the window. */
 /* NOTE: Do NOT free bmp->Scan0, use Window_FreeFramebuffer. */

src/Window_Carbon.c

@@ -595,6 +595,10 @@ cc_result Window_OpenFileDialog(const struct OpenFileDialogArgs* args) {
 	return ERR_NOT_SUPPORTED;
 }
 
+cc_result Window_SaveFileDialog(const struct SaveFileDialogArgs* args) {
+	return ERR_NOT_SUPPORTED;
+}
+
 static CGrafPtr fb_port;
 static struct Bitmap fb_bmp;
 static CGColorSpaceRef colorSpace;

src/Window_SDL.c

@@ -281,6 +281,10 @@ cc_result Window_OpenFileDialog(const struct OpenFileDialogArgs* args) {
 	return ERR_NOT_SUPPORTED;
 }
 
+cc_result Window_SaveFileDialog(const struct SaveFileDialogArgs* args) {
+	return ERR_NOT_SUPPORTED;
+}
+
 static SDL_Surface* win_surface;
 static SDL_Surface* blit_surface;
 

src/Window_Win.c

@@ -551,52 +551,78 @@ static void ShowDialogCore(const char* title, const char* msg) {
 	MessageBoxA(win_handle, msg, title, 0);
 }
 
-cc_result Window_OpenFileDialog(const struct OpenFileDialogArgs* args) {
-	const char* const* filters = args->filters;
+static cc_result OpenSaveFileDialog(const cc_string* filters, FileDialogCallback callback, cc_bool load) {
 	cc_string path; char pathBuffer[NATIVE_STR_LEN];
 	WCHAR str[MAX_PATH] = { 0 };
 	OPENFILENAMEW ofn   = { 0 };
 	WCHAR filter[MAX_PATH];
+	BOOL ok;
 	int i;
 
-	/* Filter tokens are \0 separated - e.g. "Maps (*.cw;*.dat)\0*.cw;*.dat\0 */
-	String_InitArray(path, pathBuffer);
-	String_Format1(&path, "%c (", args->description);
-	for (i = 0; filters[i]; i++) 
-	{
-		if (i) String_Append(&path, ';');
-		String_Format1(&path, "*%c", filters[i]);
-	}
-	String_Append(&path, ')');
-	String_Append(&path, '\0');
-
-	for (i = 0; filters[i]; i++)
-	{
-		if (i) String_Append(&path, ';');
-		String_Format1(&path, "*%c", filters[i]);
-	}
-	String_Append(&path, '\0');
-	Platform_EncodeUtf16(filter, &path);
-
+	Platform_EncodeUtf16(filter, filters);
 	ofn.lStructSize  = sizeof(ofn);
 	ofn.hwndOwner    = win_handle;
 	ofn.lpstrFile    = str;
 	ofn.nMaxFile     = MAX_PATH;
 	ofn.lpstrFilter  = filter;
 	ofn.nFilterIndex = 1;
-	ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST | OFN_NOCHANGEDIR;
+	ofn.Flags = OFN_NOCHANGEDIR | OFN_PATHMUSTEXIST | (load ? OFN_FILEMUSTEXIST : OFN_OVERWRITEPROMPT);
 
-	if (!GetOpenFileNameW(&ofn))
-		return CommDlgExtendedError();
+	ok = load ? GetOpenFileNameW(&ofn) : GetSaveFileNameW(&ofn);
+	if (!ok) return CommDlgExtendedError();
 	String_InitArray(path, pathBuffer);
 
 	for (i = 0; i < MAX_PATH && str[i]; i++) {
 		String_Append(&path, Convert_CodepointToCP437(str[i]));
 	}
-	args->Callback(&path);
+	callback(&path);
 	return 0;
 }
 
+cc_result Window_OpenFileDialog(const struct OpenFileDialogArgs* args) {
+	const char* const* filters = args->filters;
+	cc_string str; char strBuffer[NATIVE_STR_LEN];
+	int i;
+
+	/* Filter tokens are \0 separated - e.g. "Maps (*.cw;*.dat)\0*.cw;*.dat\0 */
+	String_InitArray(str, strBuffer);
+	String_Format1(&str, "%c (", args->description);
+	for (i = 0; filters[i]; i++) 
+	{
+		if (i) String_Append(&str, ';');
+		String_Format1(&str, "*%c", filters[i]);
+	}
+	String_Append(&str, ')');
+	String_Append(&str, '\0');
+
+	for (i = 0; filters[i]; i++)
+	{
+		if (i) String_Append(&str, ';');
+		String_Format1(&str, "*%c", filters[i]);
+	}
+	String_Append(&str, '\0');
+
+	return OpenSaveFileDialog(&str, args->Callback, true);
+}
+
+cc_result Window_SaveFileDialog(const struct SaveFileDialogArgs* args) {
+	const char* const* titles  = args->titles;
+	const char* const* filters = args->filters;
+	cc_string str; char strBuffer[NATIVE_STR_LEN];
+	int i;
+
+	/* Filter tokens are \0 separated - e.g. "Map (*.cw)\0*.cw\0 */
+	String_InitArray(str, strBuffer);
+	for (i = 0; filters[i]; i++) 
+	{
+		String_Format2(&str, "%c (*%c)", titles[i], filters[i]);
+		String_Append(&str, '\0');
+		String_Format1(&str, "*%c", filters[i]);
+		String_Append(&str, '\0');
+	}
+	return OpenSaveFileDialog(&str, args->Callback, false);
+}
+
 static HDC draw_DC;
 static HBITMAP draw_DIB;
 void Window_AllocFramebuffer(struct Bitmap* bmp) {