mirror of https://github.com/encounter/SDL.git
windows: Message boxes use Task Dialogs if possible (thanks, Jack!).
This lets the message box have an icon. Unless the app has opted-in to using the v6 common controls, though, this will fall back to the usual SDL message boxes.
This commit is contained in:
Ryan C. Gordon
parent
8536130aa2
commit
a749035f10
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@ -26,7 +26,7 @@
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#include "SDL_assert.h"
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#include "SDL_windowsvideo.h"
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#include "SDL_windowstaskdialog.h"
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#ifndef SS_EDITCONTROL
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#define SS_EDITCONTROL 0x2000
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@ -341,8 +341,9 @@ static WIN_DialogData *CreateDialogData(int w, int h, const char *caption)
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return dialog;
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}
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int
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WIN_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
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/* This function is called if a Task Dialog is unsupported. */
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static int
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WIN_ShowOldMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
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{
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WIN_DialogData *dialog;
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int i, x, y;
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@ -491,6 +492,121 @@ WIN_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
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return 0;
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}
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/* TaskDialogIndirect procedure
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* This is because SDL targets Windows XP (0x501), so this is not defined in the platform SDK.
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*/
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typedef HRESULT(FAR WINAPI *TASKDIALOGINDIRECTPROC)(_In_ const TASKDIALOGCONFIG *pTaskConfig, _Out_opt_ int *pnButton, _Out_opt_ int *pnRadioButton, _Out_opt_ BOOL *pfVerificationFlagChecked);
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int
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WIN_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
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{
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HWND ParentWindow = NULL;
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wchar_t *wmessage;
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wchar_t *wtitle;
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TASKDIALOGCONFIG TaskConfig;
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TASKDIALOG_BUTTON *pButtons;
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TASKDIALOG_BUTTON *pButton;
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HMODULE hComctl32;
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TASKDIALOGINDIRECTPROC pfnTaskDialogIndirect;
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HRESULT hr;
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int nButton;
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int nCancelButton;
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int i;
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/* If we cannot load comctl32.dll use the old messagebox! */
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hComctl32 = LoadLibrary(TEXT("Comctl32.dll"));
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if (hComctl32 == NULL) {
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return WIN_ShowOldMessageBox(messageboxdata,buttonid);
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}
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/* If TaskDialogIndirect doesn't exist use the old messagebox!
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This will fail prior to Windows Vista.
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The manifest file in the application may require targeting version 6 of comctl32.dll, even
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when we use LoadLibrary here!
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If you don't want to bother with manifests, put this #pragma in your app's source code somewhere:
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pragma comment(linker,"\"/manifestdependency:type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
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*/
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pfnTaskDialogIndirect = (TASKDIALOGINDIRECTPROC) GetProcAddress(hComctl32, "TaskDialogIndirect");
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if (pfnTaskDialogIndirect == NULL) {
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FreeLibrary(hComctl32);
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return WIN_ShowOldMessageBox(messageboxdata, buttonid);
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}
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/* If we have a parent window, get the Instance and HWND for them
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so that our little dialog gets exclusive focus at all times. */
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if (messageboxdata->window) {
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ParentWindow = ((SDL_WindowData *) messageboxdata->window->driverdata)->hwnd;
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}
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wmessage = WIN_UTF8ToString(messageboxdata->message);
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wtitle = WIN_UTF8ToString(messageboxdata->title);
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SDL_zero(TaskConfig);
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TaskConfig.cbSize = sizeof (TASKDIALOGCONFIG);
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TaskConfig.hwndParent = ParentWindow;
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TaskConfig.dwFlags = TDF_SIZE_TO_CONTENT;
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TaskConfig.pszWindowTitle = wtitle;
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if (messageboxdata->flags & SDL_MESSAGEBOX_ERROR) {
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TaskConfig.pszMainIcon = TD_ERROR_ICON;
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} else if (messageboxdata->flags & SDL_MESSAGEBOX_WARNING) {
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TaskConfig.pszMainIcon = TD_WARNING_ICON;
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} else if (messageboxdata->flags & SDL_MESSAGEBOX_INFORMATION) {
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TaskConfig.pszMainIcon = TD_INFORMATION_ICON;
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} else {
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TaskConfig.pszMainIcon = NULL;
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}
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TaskConfig.pszContent = wmessage;
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TaskConfig.cButtons = messageboxdata->numbuttons;
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pButtons = SDL_malloc(sizeof (TASKDIALOG_BUTTON) * messageboxdata->numbuttons);
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TaskConfig.nDefaultButton = 0;
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for (i = 0; i < messageboxdata->numbuttons; i++)
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{
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pButton = &pButtons[messageboxdata->numbuttons-1-i];
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if (messageboxdata->buttons[i].flags & SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT) {
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nCancelButton = messageboxdata->buttons[i].buttonid;
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pButton->nButtonID = 2;
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} else {
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pButton->nButtonID = messageboxdata->buttons[i].buttonid + 1;
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if (pButton->nButtonID >= 2) {
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pButton->nButtonID++;
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}
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}
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pButton->pszButtonText = WIN_UTF8ToString(messageboxdata->buttons[i].text);
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if (messageboxdata->buttons[i].flags & SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT) {
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TaskConfig.nDefaultButton = pButton->nButtonID;
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}
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}
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TaskConfig.pButtons = pButtons;
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/* Show the Task Dialog */
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hr = pfnTaskDialogIndirect(&TaskConfig, &nButton, NULL, NULL);
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/* Free everything */
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FreeLibrary(hComctl32);
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SDL_free(wmessage);
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SDL_free(wtitle);
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for (i = 0; i < messageboxdata->numbuttons; i++) {
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SDL_free((wchar_t *) pButtons[i].pszButtonText);
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}
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SDL_free(pButtons);
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/* Check the Task Dialog was successful and give the result */
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if (SUCCEEDED(hr)) {
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if (nButton == 2) {
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*buttonid = nCancelButton;
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} else if (nButton > 2) {
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*buttonid = nButton-1-1;
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} else {
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*buttonid = nButton-1;
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}
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return 0;
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}
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/* We failed showing the Task Dialog, use the old message box! */
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return WIN_ShowOldMessageBox(messageboxdata, buttonid);
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}
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#endif /* SDL_VIDEO_DRIVER_WINDOWS */
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/* vi: set ts=4 sw=4 expandtab: */
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@ -0,0 +1,156 @@
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/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include <pshpack1.h>
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typedef HRESULT(CALLBACK *PFTASKDIALOGCALLBACK)(_In_ HWND hwnd, _In_ UINT msg, _In_ WPARAM wParam, _In_ LPARAM lParam, _In_ LONG_PTR lpRefData);
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enum _TASKDIALOG_FLAGS
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{
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TDF_ENABLE_HYPERLINKS = 0x0001,
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TDF_USE_HICON_MAIN = 0x0002,
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TDF_USE_HICON_FOOTER = 0x0004,
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TDF_ALLOW_DIALOG_CANCELLATION = 0x0008,
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TDF_USE_COMMAND_LINKS = 0x0010,
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TDF_USE_COMMAND_LINKS_NO_ICON = 0x0020,
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TDF_EXPAND_FOOTER_AREA = 0x0040,
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TDF_EXPANDED_BY_DEFAULT = 0x0080,
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TDF_VERIFICATION_FLAG_CHECKED = 0x0100,
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TDF_SHOW_PROGRESS_BAR = 0x0200,
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TDF_SHOW_MARQUEE_PROGRESS_BAR = 0x0400,
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TDF_CALLBACK_TIMER = 0x0800,
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TDF_POSITION_RELATIVE_TO_WINDOW = 0x1000,
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TDF_RTL_LAYOUT = 0x2000,
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TDF_NO_DEFAULT_RADIO_BUTTON = 0x4000,
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TDF_CAN_BE_MINIMIZED = 0x8000,
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//#if (NTDDI_VERSION >= NTDDI_WIN8)
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TDF_NO_SET_FOREGROUND = 0x00010000, // Don't call SetForegroundWindow() when activating the dialog
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//#endif // (NTDDI_VERSION >= NTDDI_WIN8)
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TDF_SIZE_TO_CONTENT = 0x01000000 // used by ShellMessageBox to emulate MessageBox sizing behavior
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};
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typedef int TASKDIALOG_FLAGS; // Note: _TASKDIALOG_FLAGS is an int
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typedef enum _TASKDIALOG_MESSAGES
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{
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TDM_NAVIGATE_PAGE = WM_USER + 101,
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TDM_CLICK_BUTTON = WM_USER + 102, // wParam = Button ID
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TDM_SET_MARQUEE_PROGRESS_BAR = WM_USER + 103, // wParam = 0 (nonMarque) wParam != 0 (Marquee)
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TDM_SET_PROGRESS_BAR_STATE = WM_USER + 104, // wParam = new progress state
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TDM_SET_PROGRESS_BAR_RANGE = WM_USER + 105, // lParam = MAKELPARAM(nMinRange, nMaxRange)
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TDM_SET_PROGRESS_BAR_POS = WM_USER + 106, // wParam = new position
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TDM_SET_PROGRESS_BAR_MARQUEE = WM_USER + 107, // wParam = 0 (stop marquee), wParam != 0 (start marquee), lparam = speed (milliseconds between repaints)
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TDM_SET_ELEMENT_TEXT = WM_USER + 108, // wParam = element (TASKDIALOG_ELEMENTS), lParam = new element text (LPCWSTR)
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TDM_CLICK_RADIO_BUTTON = WM_USER + 110, // wParam = Radio Button ID
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TDM_ENABLE_BUTTON = WM_USER + 111, // lParam = 0 (disable), lParam != 0 (enable), wParam = Button ID
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TDM_ENABLE_RADIO_BUTTON = WM_USER + 112, // lParam = 0 (disable), lParam != 0 (enable), wParam = Radio Button ID
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TDM_CLICK_VERIFICATION = WM_USER + 113, // wParam = 0 (unchecked), 1 (checked), lParam = 1 (set key focus)
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TDM_UPDATE_ELEMENT_TEXT = WM_USER + 114, // wParam = element (TASKDIALOG_ELEMENTS), lParam = new element text (LPCWSTR)
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TDM_SET_BUTTON_ELEVATION_REQUIRED_STATE = WM_USER + 115, // wParam = Button ID, lParam = 0 (elevation not required), lParam != 0 (elevation required)
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TDM_UPDATE_ICON = WM_USER + 116 // wParam = icon element (TASKDIALOG_ICON_ELEMENTS), lParam = new icon (hIcon if TDF_USE_HICON_* was set, PCWSTR otherwise)
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} TASKDIALOG_MESSAGES;
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typedef enum _TASKDIALOG_NOTIFICATIONS
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{
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TDN_CREATED = 0,
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TDN_NAVIGATED = 1,
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TDN_BUTTON_CLICKED = 2, // wParam = Button ID
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TDN_HYPERLINK_CLICKED = 3, // lParam = (LPCWSTR)pszHREF
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TDN_TIMER = 4, // wParam = Milliseconds since dialog created or timer reset
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TDN_DESTROYED = 5,
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TDN_RADIO_BUTTON_CLICKED = 6, // wParam = Radio Button ID
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TDN_DIALOG_CONSTRUCTED = 7,
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TDN_VERIFICATION_CLICKED = 8, // wParam = 1 if checkbox checked, 0 if not, lParam is unused and always 0
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TDN_HELP = 9,
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TDN_EXPANDO_BUTTON_CLICKED = 10 // wParam = 0 (dialog is now collapsed), wParam != 0 (dialog is now expanded)
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} TASKDIALOG_NOTIFICATIONS;
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typedef struct _TASKDIALOG_BUTTON
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{
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int nButtonID;
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PCWSTR pszButtonText;
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} TASKDIALOG_BUTTON;
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typedef enum _TASKDIALOG_ELEMENTS
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{
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TDE_CONTENT,
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TDE_EXPANDED_INFORMATION,
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TDE_FOOTER,
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TDE_MAIN_INSTRUCTION
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} TASKDIALOG_ELEMENTS;
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typedef enum _TASKDIALOG_ICON_ELEMENTS
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{
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TDIE_ICON_MAIN,
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TDIE_ICON_FOOTER
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} TASKDIALOG_ICON_ELEMENTS;
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#define TD_WARNING_ICON MAKEINTRESOURCEW(-1)
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#define TD_ERROR_ICON MAKEINTRESOURCEW(-2)
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#define TD_INFORMATION_ICON MAKEINTRESOURCEW(-3)
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#define TD_SHIELD_ICON MAKEINTRESOURCEW(-4)
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enum _TASKDIALOG_COMMON_BUTTON_FLAGS
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{
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TDCBF_OK_BUTTON = 0x0001, // selected control return value IDOK
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TDCBF_YES_BUTTON = 0x0002, // selected control return value IDYES
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TDCBF_NO_BUTTON = 0x0004, // selected control return value IDNO
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TDCBF_CANCEL_BUTTON = 0x0008, // selected control return value IDCANCEL
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TDCBF_RETRY_BUTTON = 0x0010, // selected control return value IDRETRY
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TDCBF_CLOSE_BUTTON = 0x0020 // selected control return value IDCLOSE
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};
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typedef int TASKDIALOG_COMMON_BUTTON_FLAGS; // Note: _TASKDIALOG_COMMON_BUTTON_FLAGS is an int
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typedef struct _TASKDIALOGCONFIG
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{
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UINT cbSize;
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HWND hwndParent; // incorrectly named, this is the owner window, not a parent.
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HINSTANCE hInstance; // used for MAKEINTRESOURCE() strings
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TASKDIALOG_FLAGS dwFlags; // TASKDIALOG_FLAGS (TDF_XXX) flags
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TASKDIALOG_COMMON_BUTTON_FLAGS dwCommonButtons; // TASKDIALOG_COMMON_BUTTON (TDCBF_XXX) flags
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PCWSTR pszWindowTitle; // string or MAKEINTRESOURCE()
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union
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{
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HICON hMainIcon;
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PCWSTR pszMainIcon;
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} DUMMYUNIONNAME;
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PCWSTR pszMainInstruction;
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PCWSTR pszContent;
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UINT cButtons;
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const TASKDIALOG_BUTTON *pButtons;
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int nDefaultButton;
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UINT cRadioButtons;
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const TASKDIALOG_BUTTON *pRadioButtons;
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int nDefaultRadioButton;
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PCWSTR pszVerificationText;
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PCWSTR pszExpandedInformation;
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PCWSTR pszExpandedControlText;
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PCWSTR pszCollapsedControlText;
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union
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{
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HICON hFooterIcon;
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PCWSTR pszFooterIcon;
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} DUMMYUNIONNAME2;
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PCWSTR pszFooter;
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PFTASKDIALOGCALLBACK pfCallback;
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LONG_PTR lpCallbackData;
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UINT cxWidth; // width of the Task Dialog's client area in DLU's. If 0, Task Dialog will calculate the ideal width.
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} TASKDIALOGCONFIG;
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#include <poppack.h>
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