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[win32] added basic mp_save_dialogue() implementation using COM IFileSaveDialog

This commit is contained in:
martinfouilleul 2023-05-23 16:04:49 +02:00
parent e24500e18d
commit 49de9d0290
2 changed files with 45 additions and 3 deletions
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8
examples/ui/main.c
View File

@ -406,8 +406,6 @@ int main()
UI_STYLE_SIZE);
widget_view("Buttons")
{
ui_button("Button 1");
if(ui_button("Test Dialog").clicked)
{
char* options[] = {"Accept", "Reject"};
@ -427,6 +425,12 @@ int main()
str8 file = mp_open_dialog(mem_scratch(), "Open File", 0, 0, 0, true);
printf("selected file %.*s\n", (int)file.len, file.ptr);
}
if(ui_button("Save").clicked)
{
str8 file = mp_save_dialog(mem_scratch(), "Save File", 0, 0, 0, true);
printf("selected file %.*s\n", (int)file.len, file.ptr);
}
}
ui_style_next(&(ui_style){.size.width = {UI_SIZE_PARENT, 0.5},

40
src/win32_app.c
View File

@ -1148,7 +1148,45 @@ MP_API str8 mp_save_dialog(mem_arena* arena,
const char* title,
const char* defaultPath,
int filterCount,
const char** filters);
const char** filters)
{
str8 res = {0};
HRESULT hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED | COINIT_DISABLE_OLE1DDE);
if(SUCCEEDED(hr))
{
IFileOpenDialog* dialog = 0;
hr = CoCreateInstance(&CLSID_FileSaveDialog, NULL, CLSCTX_ALL, &IID_IFileSaveDialog, (void**)&dialog);
if(SUCCEEDED(hr))
{
hr = dialog->lpVtbl->Show(dialog, NULL);
if(SUCCEEDED(hr))
{
IShellItem* item;
hr = dialog->lpVtbl->GetResult(dialog, &item);
if(SUCCEEDED(hr))
{
PWSTR filePath;
hr = item->lpVtbl->GetDisplayName(item, SIGDN_FILESYSPATH, &filePath);
if(SUCCEEDED(hr))
{
int utf8Size = WideCharToMultiByte(CP_UTF8, 0, filePath, -1, NULL, 0, NULL, NULL);
if(utf8Size > 0)
{
res.ptr = mem_arena_alloc(arena, utf8Size);
res.len = utf8Size-1;
WideCharToMultiByte(CP_UTF8, 0, filePath, -1, res.ptr, utf8Size, NULL, NULL);
}
CoTaskMemFree(filePath);
}
item->lpVtbl->Release(item);
}
}
}
}
CoUninitialize();
return(res);
}
#include<commctrl.h>