[win32] alert popup using TaskDialogIndirect(): automatically handles icons, dpi, and text/buttons layout (but requires Vista or higher)

This commit is contained in:
martinfouilleul 2023-05-23 14:50:31 +02:00
parent f1d8dd1ca9
commit a54c8b4f4b
4 changed files with 87 additions and 249 deletions

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@ -6,6 +6,6 @@ set glsl_shaders=src\glsl_shaders\common.glsl src\glsl_shaders\blit_vertex.glsl
call python3 scripts\embed_text.py %glsl_shaders% --prefix=glsl_ --output src\glsl_shaders.h
set INCLUDES=/I src /I src/util /I src/platform /I ext /I ext/angle_headers
set LIBS=user32.lib opengl32.lib gdi32.lib shcore.lib delayimp.lib dwmapi.lib /LIBPATH:./bin libEGL.dll.lib libGLESv2.dll.lib /DELAYLOAD:libEGL.dll /DELAYLOAD:libGLESv2.dll
set LIBS=user32.lib opengl32.lib gdi32.lib shcore.lib delayimp.lib dwmapi.lib comctl32.lib /LIBPATH:./bin libEGL.dll.lib libGLESv2.dll.lib /DELAYLOAD:libEGL.dll /DELAYLOAD:libGLESv2.dll
cl /we4013 /Zi /Zc:preprocessor /DMP_BUILD_DLL /std:c11 %INCLUDES% src/milepost.c /Fo:bin/milepost.o /LD /link %LIBS% /OUT:bin/milepost.dll /IMPLIB:bin/milepost.dll.lib
cl /we4013 /Zi /Zc:preprocessor /DMP_BUILD_DLL /std:c11 %INCLUDES% src/milepost.c /Fo:bin/milepost.o /LD /link /MANIFEST:EMBED /MANIFESTINPUT:src/win32_manifest.xml %LIBS% /OUT:bin/milepost.dll /IMPLIB:bin/milepost.dll.lib

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@ -412,9 +412,16 @@ int main()
if(ui_button("Test Dialog").clicked)
{
char* options[] = {"OK", "Cancel"};
char* options[] = {"Accept", "Reject"};
int res = mp_alert_popup("test dialog", "dialog message", 2, options);
printf("selected options %i\n", res);
if(res >= 0)
{
printf("selected options %i: %s\n", res, options[res]);
}
else
{
printf("no options selected\n");
}
}
}

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@ -1100,257 +1100,66 @@ MP_API str8 mp_save_dialog(mem_arena* arena,
int filterCount,
const char** filters);
//TODO: MessageBox() doesn't offer custom buttons?
#include<commctrl.h>
BOOL CALLBACK mp_dialog_proc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch(message)
{
case WM_INITDIALOG:
{
// Get the owner window and dialog box rectangles.
HWND hWndOwner = GetParent(hWnd);
if(hWndOwner == NULL)
{
hWndOwner = GetDesktopWindow();
}
//TODO Get all child items, get their ideal sizes, set size, and resize dialog accordingly
vec2 buttonsTotalSize = {0, 20};
vec2 messageSize = {400, 200};
for(HWND hWndChild = GetWindow(hWnd, GW_CHILD);
hWndChild != NULL;
hWndChild = GetWindow(hWndChild, GW_HWNDNEXT))
{
int id = GetDlgCtrlID(hWndChild);
if(id == 0xffff)
{
//message
//TODO compute size with an "ideal" aspect ratio
SetWindowPos(hWndChild,
HWND_TOP,
0,
0,
messageSize.x,
messageSize.y,
SWP_NOMOVE | SWP_NOZORDER);
}
else
{
//button
SIZE size = {0};
Button_GetIdealSize(hWndChild, &size);
size.cx = maximum((int)size.cx, 100);
size.cy = maximum((int)size.cy, 40);
SetWindowPos(hWndChild,
HWND_TOP,
0,
0,
size.cx,
size.cy,
SWP_NOMOVE | SWP_NOZORDER);
buttonsTotalSize.x += size.cx + 10;
buttonsTotalSize.y = maximum(buttonsTotalSize.y, size.cy);
}
}
buttonsTotalSize.x -= 10;
vec2 dialogSize = {maximum(messageSize.x, buttonsTotalSize.x) + 20,
10 + messageSize.y + 10 + buttonsTotalSize.y + 10};
RECT dialogRect = {0, 0, dialogSize.x, dialogSize.y};
AdjustWindowRect(&dialogRect, WS_POPUP | WS_BORDER | WS_SYSMENU | DS_MODALFRAME | WS_CAPTION, FALSE);
SetWindowPos(hWnd,
HWND_TOP,
0, 0,
dialogRect.right - dialogRect.left,
dialogRect.bottom - dialogRect.top,
SWP_NOMOVE | SWP_NOZORDER);
vec2 buttonPos = {dialogSize.x - buttonsTotalSize.x - 10,
dialogSize.y - buttonsTotalSize.y - 10};
for(HWND hWndChild = GetWindow(hWnd, GW_CHILD);
hWndChild != NULL;
hWndChild = GetWindow(hWndChild, GW_HWNDNEXT))
{
int id = GetDlgCtrlID(hWndChild);
if(id == 0xffff)
{
//message
SetWindowPos(hWndChild,
HWND_TOP,
0.5*(dialogSize.x - messageSize.x),
10,
0, 0,
SWP_NOSIZE | SWP_NOZORDER);
}
else
{
//button
SIZE size;
Button_GetIdealSize(hWndChild, &size);
size.cx = maximum((int)size.cx, 100);
SetWindowPos(hWndChild,
HWND_TOP,
buttonPos.x,
buttonPos.y,
0, 0,
SWP_NOSIZE | SWP_NOZORDER);
buttonPos.x += size.cx + 10;
}
}
RECT rc, rcDlg, rcOwner;
GetWindowRect(hWndOwner, &rcOwner);
GetWindowRect(hWnd, &rcDlg);
CopyRect(&rc, &rcOwner);
// Offset the owner and dialog box rectangles so that right and bottom
// values represent the width and height, and then offset the owner again
// to discard space taken up by the dialog box.
OffsetRect(&rcDlg, -rcDlg.left, -rcDlg.top);
OffsetRect(&rc, -rc.left, -rc.top);
OffsetRect(&rc, -rcDlg.right, -rcDlg.bottom);
// The new position is the sum of half the remaining space and the owner's
// original position.
SetWindowPos(hWnd,
HWND_TOP,
rcOwner.left + (rc.right / 2),
rcOwner.top + (rc.bottom / 2),
0, 0, // Ignores size arguments.
SWP_NOSIZE);
return TRUE;
}
case WM_COMMAND:
EndDialog(hWnd, wParam);
return TRUE;
}
return(FALSE);
}
MP_API int mp_alert_popup(const char* title,
const char* message,
u32 count,
const char** options)
{
//NOTE compute size needed
int size = sizeof(DLGTEMPLATE); // template struct
size += 2*sizeof(WORD); // menu and box class
int titleWideSize = 1 + MultiByteToWideChar(CP_UTF8, 0, title, -1, NULL, 0);
size += titleWideSize;
size = AlignUpOnPow2(size, sizeof(DWORD));
size += sizeof(DLGITEMTEMPLATE);
size += 2*sizeof(WORD); // menu and box class
size += 1 + MultiByteToWideChar(CP_UTF8, 0, message, -1, NULL, 0); // dialog message
size++; // no creation data
for(int i=0; i<count; i++)
{
size = AlignUpOnPow2(size, sizeof(DWORD));
size += sizeof(DLGITEMTEMPLATE);
size += 2*sizeof(WORD); // menu and box class
size += 1 + MultiByteToWideChar(CP_UTF8, 0, options[i], -1, NULL, 0); // button text
size++; // no creation data
}
size += sizeof(DWORD);
mem_arena* scratch = mem_scratch();
mem_arena_marker marker = mem_arena_mark(scratch);
char* buffer = mem_arena_alloc(scratch, size);
memset(buffer, 0, size);
LPDLGTEMPLATE template = (LPDLGTEMPLATE)AlignUpOnPow2((uintptr_t)buffer, sizeof(DWORD));
template->style = WS_POPUP | WS_BORDER | WS_SYSMENU | DS_MODALFRAME | WS_CAPTION;
template->cdit = count + 1;
template->x = 10;
template->y = 10;
template->cx = 100;
template->cy = 100;
LPWORD lpw = (LPWORD)(template + 1);
*lpw = 0;
lpw++;
*lpw = 0;
lpw++;
MultiByteToWideChar(CP_UTF8, 0, title, -1, (LPWSTR)lpw, titleWideSize);
lpw += titleWideSize;
{
lpw = (LPWORD)AlignUpOnPow2((uintptr_t)lpw, sizeof(DWORD));
LPDLGITEMTEMPLATE item = (LPDLGITEMTEMPLATE)lpw;
item->x = 10;
item->y = 10;
item->cx = 80;
item->cy = 40;
item->id = 0xffff;
item->style = WS_CHILD | WS_VISIBLE;
lpw = (LPWORD)(item+1);
*lpw = 0xffff;
lpw++;
*lpw = 0x0082;
lpw++;
int wideSize = 1 + MultiByteToWideChar(CP_UTF8, 0, message, -1, NULL, 0);
MultiByteToWideChar(CP_UTF8, 0, message, -1, (LPWSTR)lpw, wideSize);
lpw += wideSize;
*lpw = 0;
lpw++;
}
TASKDIALOG_BUTTON* buttons = mem_arena_alloc_array(scratch, TASKDIALOG_BUTTON, count);
for(int i=0; i<count; i++)
{
lpw = (LPWORD)AlignUpOnPow2((uintptr_t)lpw, sizeof(DWORD));
int textWideSize = MultiByteToWideChar(CP_UTF8, 0, options[i], -1, NULL, 0);
wchar_t* textWide = mem_arena_alloc_array(scratch, wchar_t, textWideSize);
MultiByteToWideChar(CP_UTF8, 0, options[i], -1, textWide, textWideSize);
LPDLGITEMTEMPLATE item = (LPDLGITEMTEMPLATE)lpw;
item->x = 10;
item->y = 70;
item->cx = 80;
item->cy = 20;
item->id = i+1;
item->style = WS_CHILD | WS_VISIBLE | BS_DEFPUSHBUTTON;
lpw = (LPWORD)(item+1);
*lpw = 0xffff;
lpw++;
*lpw = 0x0080;
lpw++;
int wideSize = 1 + MultiByteToWideChar(CP_UTF8, 0, options[i], -1, NULL, 0);
MultiByteToWideChar(CP_UTF8, 0, options[i], -1, (LPWSTR)lpw, wideSize);
lpw += wideSize;
*lpw = 0;
lpw++;
buttons[i].nButtonID = i+1;
buttons[i].pszButtonText = textWide;
}
LRESULT ret = DialogBoxIndirect(NULL, template, NULL, (DLGPROC)mp_dialog_proc);
int titleWideSize = MultiByteToWideChar(CP_UTF8, 0, title, -1, NULL, 0);
wchar_t* titleWide = mem_arena_alloc_array(scratch, wchar_t, titleWideSize);
MultiByteToWideChar(CP_UTF8, 0, title, -1, titleWide, titleWideSize);
int messageWideSize = MultiByteToWideChar(CP_UTF8, 0, message, -1, NULL, 0);
wchar_t* messageWide = mem_arena_alloc_array(scratch, wchar_t, messageWideSize);
MultiByteToWideChar(CP_UTF8, 0, message, -1, messageWide, messageWideSize);
TASKDIALOGCONFIG config =
{
.cbSize = sizeof(TASKDIALOGCONFIG),
.hwndParent = NULL,
.hInstance = NULL,
.dwFlags = 0,
.dwCommonButtons = 0,
.pszWindowTitle = titleWide,
.hMainIcon = 0,
.pszMainIcon = TD_WARNING_ICON,
.pszMainInstruction = messageWide,
.pszContent = NULL,
.cButtons = count,
.pButtons = buttons,
.nDefaultButton = 0,
};
int button = -1;
HRESULT hRes = TaskDialogIndirect(&config, &button, NULL, NULL);
if(hRes == S_OK)
{
if(button == IDCANCEL)
{
button = -1;
}
else
{
button--;
}
}
mem_arena_clear_to(scratch, marker);
return((int)ret-1);
return(button);
}

22
src/win32_manifest.xml Normal file
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@ -0,0 +1,22 @@
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
<assemblyIdentity
version="0.0.0.1"
processorArchitecture="*"
name="forkingpaths.orca.runtime"
type="win32"
/>
<description>Orca Runtime</description>
<dependency>
<dependentAssembly>
<assemblyIdentity
type="win32"
name="Microsoft.Windows.Common-Controls"
version="6.0.0.0"
processorArchitecture="*"
publicKeyToken="6595b64144ccf1df"
language="*"
/>
</dependentAssembly>
</dependency>
</assembly>