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wine/dlls/comctl32/taskdialog.c
Nikolay Sivov 564d5804b1 comctl32: Use wide-char string literals. 
Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2020-11-16 17:51:30 +01:00

1419 lines
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/*
* Task dialog control
*
* Copyright 2017 Fabian Maurer
* Copyright 2018 Zhiyi Zhang
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
*/
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "commctrl.h"
#include "winerror.h"
#include "comctl32.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(taskdialog);
static const UINT DIALOG_MIN_WIDTH = 240;
static const UINT DIALOG_SPACING = 5;
static const UINT DIALOG_BUTTON_WIDTH = 50;
static const UINT DIALOG_BUTTON_HEIGHT = 14;
static const UINT DIALOG_EXPANDO_ICON_WIDTH = 10;
static const UINT DIALOG_EXPANDO_ICON_HEIGHT = 10;
static const UINT DIALOG_TIMER_MS = 200;
static const UINT ID_TIMER = 1;
struct taskdialog_info
{
HWND hwnd;
const TASKDIALOGCONFIG *taskconfig;
DWORD last_timer_tick;
HFONT font;
HFONT main_instruction_font;
/* Control handles */
HWND main_icon;
HWND main_instruction;
HWND content;
HWND progress_bar;
HWND *radio_buttons;
INT radio_button_count;
HWND *command_links;
INT command_link_count;
HWND expanded_info;
HWND expando_button;
HWND verification_box;
HWND footer_icon;
HWND footer_text;
HWND *buttons;
INT button_count;
HWND default_button;
/* Dialog metrics */
struct
{
LONG x_baseunit;
LONG y_baseunit;
LONG h_spacing;
LONG v_spacing;
} m;
INT selected_radio_id;
BOOL verification_checked;
BOOL expanded;
BOOL has_cancel;
WCHAR *expanded_text;
WCHAR *collapsed_text;
};
struct button_layout_info
{
LONG width;
LONG line;
};
static HRESULT taskdialog_notify(struct taskdialog_info *dialog_info, UINT notification, WPARAM wparam, LPARAM lparam);
static void taskdialog_on_button_click(struct taskdialog_info *dialog_info, HWND hwnd, WORD id);
static void taskdialog_layout(struct taskdialog_info *dialog_info);
static void taskdialog_du_to_px(struct taskdialog_info *dialog_info, LONG *width, LONG *height)
{
if (width) *width = MulDiv(*width, dialog_info->m.x_baseunit, 4);
if (height) *height = MulDiv(*height, dialog_info->m.y_baseunit, 8);
}
static void template_write_data(char **ptr, const void *src, unsigned int size)
{
memcpy(*ptr, src, size);
*ptr += size;
}
static unsigned int taskdialog_get_reference_rect(const TASKDIALOGCONFIG *taskconfig, RECT *ret)
{
HMONITOR monitor = MonitorFromWindow(taskconfig->hwndParent ? taskconfig->hwndParent : GetActiveWindow(),
MONITOR_DEFAULTTOPRIMARY);
MONITORINFO info;
info.cbSize = sizeof(info);
GetMonitorInfoW(monitor, &info);
if ((taskconfig->dwFlags & TDF_POSITION_RELATIVE_TO_WINDOW) && taskconfig->hwndParent)
GetWindowRect(taskconfig->hwndParent, ret);
else
*ret = info.rcWork;
return info.rcWork.right - info.rcWork.left;
}
static WCHAR *taskdialog_get_exe_name(WCHAR *name, DWORD length)
{
DWORD len = GetModuleFileNameW(NULL, name, length);
if (len && len < length)
{
WCHAR *p;
if ((p = wcsrchr(name, '/'))) name = p + 1;
if ((p = wcsrchr(name, '\\'))) name = p + 1;
return name;
}
else
return NULL;
}
static DLGTEMPLATE *create_taskdialog_template(const TASKDIALOGCONFIG *taskconfig)
{
unsigned int size, title_size;
static const WORD fontsize = 0x7fff;
const WCHAR *titleW = NULL;
DLGTEMPLATE *template;
WCHAR pathW[MAX_PATH];
char *ptr;
/* Window title */
if (!taskconfig->pszWindowTitle)
titleW = taskdialog_get_exe_name(pathW, ARRAY_SIZE(pathW));
else if (IS_INTRESOURCE(taskconfig->pszWindowTitle))
{
if (!LoadStringW(taskconfig->hInstance, LOWORD(taskconfig->pszWindowTitle), (WCHAR *)&titleW, 0))
titleW = taskdialog_get_exe_name(pathW, ARRAY_SIZE(pathW));
}
else
titleW = taskconfig->pszWindowTitle;
if (!titleW)
titleW = L"";
title_size = (lstrlenW(titleW) + 1) * sizeof(WCHAR);
size = sizeof(DLGTEMPLATE) + 2 * sizeof(WORD);
size += title_size;
size += 2; /* font size */
template = Alloc(size);
if (!template) return NULL;
template->style = DS_MODALFRAME | DS_SETFONT | WS_CAPTION | WS_VISIBLE | WS_SYSMENU;
if (taskconfig->dwFlags & TDF_CAN_BE_MINIMIZED) template->style |= WS_MINIMIZEBOX;
if (!(taskconfig->dwFlags & TDF_NO_SET_FOREGROUND)) template->style |= DS_SETFOREGROUND;
if (taskconfig->dwFlags & TDF_RTL_LAYOUT) template->dwExtendedStyle = WS_EX_LAYOUTRTL | WS_EX_RIGHT | WS_EX_RTLREADING;
ptr = (char *)(template + 1);
ptr += 2; /* menu */
ptr += 2; /* class */
template_write_data(&ptr, titleW, title_size);
template_write_data(&ptr, &fontsize, sizeof(fontsize));
return template;
}
static HWND taskdialog_find_button(HWND *buttons, INT count, INT id)
{
INT button_id;
INT i;
for (i = 0; i < count; i++)
{
button_id = GetWindowLongW(buttons[i], GWLP_ID);
if (button_id == id) return buttons[i];
}
return NULL;
}
static void taskdialog_enable_button(const struct taskdialog_info *dialog_info, INT id, BOOL enable)
{
HWND hwnd = taskdialog_find_button(dialog_info->command_links, dialog_info->command_link_count, id);
if (!hwnd) hwnd = taskdialog_find_button(dialog_info->buttons, dialog_info->button_count, id);
if (hwnd) EnableWindow(hwnd, enable);
}
static void taskdialog_click_button(struct taskdialog_info *dialog_info, INT id)
{
if (taskdialog_notify(dialog_info, TDN_BUTTON_CLICKED, id, 0) == S_OK) EndDialog(dialog_info->hwnd, id);
}
static void taskdialog_button_set_shield(const struct taskdialog_info *dialog_info, INT id, BOOL elevate)
{
HWND hwnd = taskdialog_find_button(dialog_info->command_links, dialog_info->command_link_count, id);
if (!hwnd) hwnd = taskdialog_find_button(dialog_info->buttons, dialog_info->button_count, id);
if (hwnd) SendMessageW(hwnd, BCM_SETSHIELD, 0, elevate);
}
static void taskdialog_enable_radio_button(const struct taskdialog_info *dialog_info, INT id, BOOL enable)
{
HWND hwnd = taskdialog_find_button(dialog_info->radio_buttons, dialog_info->radio_button_count, id);
if (hwnd) EnableWindow(hwnd, enable);
}
static void taskdialog_click_radio_button(const struct taskdialog_info *dialog_info, INT id)
{
HWND hwnd = taskdialog_find_button(dialog_info->radio_buttons, dialog_info->radio_button_count, id);
if (hwnd) SendMessageW(hwnd, BM_CLICK, 0, 0);
}
static HRESULT taskdialog_notify(struct taskdialog_info *dialog_info, UINT notification, WPARAM wparam, LPARAM lparam)
{
const TASKDIALOGCONFIG *taskconfig = dialog_info->taskconfig;
return taskconfig->pfCallback
? taskconfig->pfCallback(dialog_info->hwnd, notification, wparam, lparam, taskconfig->lpCallbackData)
: S_OK;
}
static void taskdialog_move_controls_vertically(HWND parent, HWND *controls, INT count, INT offset)
{
RECT rect;
POINT pt;
INT i;
for (i = 0; i < count; i++)
{
if (!controls[i]) continue;
GetWindowRect(controls[i], &rect);
pt.x = rect.left;
pt.y = rect.top;
MapWindowPoints(HWND_DESKTOP, parent, &pt, 1);
SetWindowPos(controls[i], 0, pt.x, pt.y + offset, 0, 0, SWP_NOSIZE | SWP_NOZORDER);
}
}
static void taskdialog_toggle_expando_control(struct taskdialog_info *dialog_info)
{
const TASKDIALOGCONFIG *taskconfig = dialog_info->taskconfig;
const WCHAR *text;
RECT info_rect, rect;
INT height, offset;
dialog_info->expanded = !dialog_info->expanded;
text = dialog_info->expanded ? dialog_info->expanded_text : dialog_info->collapsed_text;
SendMessageW(dialog_info->expando_button, WM_SETTEXT, 0, (LPARAM)text);
ShowWindow(dialog_info->expanded_info, dialog_info->expanded ? SW_SHOWDEFAULT : SW_HIDE);
GetWindowRect(dialog_info->expanded_info, &info_rect);
/* If expanded information starts up not expanded, call taskdialog_layout()
* to to set size for expanded information control at least once */
if (IsRectEmpty(&info_rect))
{
taskdialog_layout(dialog_info);
return;
}
height = info_rect.bottom - info_rect.top + dialog_info->m.v_spacing;
offset = dialog_info->expanded ? height : -height;
/* Update vertical layout, move all controls after expanded information */
/* Move dialog */
GetWindowRect(dialog_info->hwnd, &rect);
SetWindowPos(dialog_info->hwnd, 0, 0, 0, rect.right - rect.left, rect.bottom - rect.top + offset,
SWP_NOMOVE | SWP_NOZORDER);
/* Move controls */
if (!(taskconfig->dwFlags & TDF_EXPAND_FOOTER_AREA))
{
taskdialog_move_controls_vertically(dialog_info->hwnd, &dialog_info->progress_bar, 1, offset);
taskdialog_move_controls_vertically(dialog_info->hwnd, &dialog_info->expando_button, 1, offset);
taskdialog_move_controls_vertically(dialog_info->hwnd, &dialog_info->verification_box, 1, offset);
taskdialog_move_controls_vertically(dialog_info->hwnd, &dialog_info->footer_icon, 1, offset);
taskdialog_move_controls_vertically(dialog_info->hwnd, &dialog_info->footer_text, 1, offset);
taskdialog_move_controls_vertically(dialog_info->hwnd, dialog_info->buttons, dialog_info->button_count, offset);
taskdialog_move_controls_vertically(dialog_info->hwnd, dialog_info->radio_buttons,
dialog_info->radio_button_count, offset);
taskdialog_move_controls_vertically(dialog_info->hwnd, dialog_info->command_links,
dialog_info->command_link_count, offset);
}
}
static void taskdialog_on_button_click(struct taskdialog_info *dialog_info, HWND hwnd, WORD id)
{
INT command_id;
HWND button, radio_button;
/* Prefer the id from hwnd because the id from WM_COMMAND is truncated to WORD */
command_id = hwnd ? GetWindowLongW(hwnd, GWLP_ID) : id;
if (hwnd && hwnd == dialog_info->expando_button)
{
taskdialog_toggle_expando_control(dialog_info);
taskdialog_notify(dialog_info, TDN_EXPANDO_BUTTON_CLICKED, dialog_info->expanded, 0);
return;
}
if (hwnd && hwnd == dialog_info->verification_box)
{
dialog_info->verification_checked = !dialog_info->verification_checked;
taskdialog_notify(dialog_info, TDN_VERIFICATION_CLICKED, dialog_info->verification_checked, 0);
return;
}
radio_button = taskdialog_find_button(dialog_info->radio_buttons, dialog_info->radio_button_count, command_id);
if (radio_button)
{
dialog_info->selected_radio_id = command_id;
taskdialog_notify(dialog_info, TDN_RADIO_BUTTON_CLICKED, command_id, 0);
return;
}
button = taskdialog_find_button(dialog_info->command_links, dialog_info->command_link_count, command_id);
if (!button) button = taskdialog_find_button(dialog_info->buttons, dialog_info->button_count, command_id);
if (!button && command_id == IDOK)
{
button = dialog_info->command_link_count > 0 ? dialog_info->command_links[0] : dialog_info->buttons[0];
command_id = GetWindowLongW(button, GWLP_ID);
}
if (button && taskdialog_notify(dialog_info, TDN_BUTTON_CLICKED, command_id, 0) == S_OK)
EndDialog(dialog_info->hwnd, command_id);
}
static WCHAR *taskdialog_gettext(struct taskdialog_info *dialog_info, BOOL user_resource, const WCHAR *text)
{
const WCHAR *textW = NULL;
INT length;
WCHAR *ret;
if (IS_INTRESOURCE(text))
{
if (!(length = LoadStringW(user_resource ? dialog_info->taskconfig->hInstance : COMCTL32_hModule,
(UINT_PTR)text, (WCHAR *)&textW, 0)))
return NULL;
}
else
{
textW = text;
length = lstrlenW(textW);
}
ret = Alloc((length + 1) * sizeof(WCHAR));
if (ret) memcpy(ret, textW, length * sizeof(WCHAR));
return ret;
}
static BOOL taskdialog_hyperlink_enabled(struct taskdialog_info *dialog_info)
{
return dialog_info->taskconfig->dwFlags & TDF_ENABLE_HYPERLINKS;
}
static BOOL taskdialog_use_command_link(struct taskdialog_info *dialog_info)
{
return dialog_info->taskconfig->dwFlags & (TDF_USE_COMMAND_LINKS | TDF_USE_COMMAND_LINKS_NO_ICON);
}
static void taskdialog_get_label_size(struct taskdialog_info *dialog_info, HWND hwnd, LONG max_width, SIZE *size,
BOOL syslink)
{
DWORD style = DT_EXPANDTABS | DT_CALCRECT | DT_WORDBREAK;
HFONT hfont, old_hfont;
HDC hdc;
RECT rect = {0};
WCHAR *text;
INT text_length;
if (syslink)
{
SendMessageW(hwnd, LM_GETIDEALSIZE, max_width, (LPARAM)size);
return;
}
if (dialog_info->taskconfig->dwFlags & TDF_RTL_LAYOUT)
style |= DT_RIGHT | DT_RTLREADING;
else
style |= DT_LEFT;
hfont = (HFONT)SendMessageW(hwnd, WM_GETFONT, 0, 0);
text_length = GetWindowTextLengthW(hwnd);
text = Alloc((text_length + 1) * sizeof(WCHAR));
if (!text)
{
size->cx = 0;
size->cy = 0;
return;
}
GetWindowTextW(hwnd, text, text_length + 1);
hdc = GetDC(hwnd);
old_hfont = SelectObject(hdc, hfont);
rect.right = max_width;
size->cy = DrawTextW(hdc, text, text_length, &rect, style);
size->cx = min(max_width, rect.right - rect.left);
if (old_hfont) SelectObject(hdc, old_hfont);
ReleaseDC(hwnd, hdc);
Free(text);
}
static void taskdialog_get_button_size(HWND hwnd, LONG max_width, SIZE *size)
{
size->cx = max_width;
size->cy = 0;
SendMessageW(hwnd, BCM_GETIDEALSIZE, 0, (LPARAM)size);
}
static void taskdialog_get_expando_size(struct taskdialog_info *dialog_info, HWND hwnd, SIZE *size)
{
DWORD style = DT_EXPANDTABS | DT_CALCRECT | DT_WORDBREAK;
HFONT hfont, old_hfont;
HDC hdc;
RECT rect = {0};
LONG icon_width, icon_height, text_offset;
LONG max_width, max_text_height;
hdc = GetDC(hwnd);
hfont = (HFONT)SendMessageW(hwnd, WM_GETFONT, 0, 0);
old_hfont = SelectObject(hdc, hfont);
icon_width = DIALOG_EXPANDO_ICON_WIDTH;
icon_height = DIALOG_EXPANDO_ICON_HEIGHT;
taskdialog_du_to_px(dialog_info, &icon_width, &icon_height);
GetCharWidthW(hdc, '0', '0', &text_offset);
text_offset /= 2;
if (dialog_info->taskconfig->dwFlags & TDF_RTL_LAYOUT)
style |= DT_RIGHT | DT_RTLREADING;
else
style |= DT_LEFT;
max_width = DIALOG_MIN_WIDTH / 2;
taskdialog_du_to_px(dialog_info, &max_width, NULL);
rect.right = max_width - icon_width - text_offset;
max_text_height = DrawTextW(hdc, dialog_info->expanded_text, -1, &rect, style);
size->cy = max(max_text_height, icon_height);
size->cx = rect.right - rect.left;
rect.right = max_width - icon_width - text_offset;
max_text_height = DrawTextW(hdc, dialog_info->collapsed_text, -1, &rect, style);
size->cy = max(size->cy, max_text_height);
size->cx = max(size->cx, rect.right - rect.left);
size->cx = min(size->cx, max_width);
if (old_hfont) SelectObject(hdc, old_hfont);
ReleaseDC(hwnd, hdc);
}
static ULONG_PTR taskdialog_get_standard_icon(LPCWSTR icon)
{
if (icon == TD_WARNING_ICON)
return IDI_WARNING;
else if (icon == TD_ERROR_ICON)
return IDI_ERROR;
else if (icon == TD_INFORMATION_ICON)
return IDI_INFORMATION;
else if (icon == TD_SHIELD_ICON)
return IDI_SHIELD;
else
return (ULONG_PTR)icon;
}
static void taskdialog_set_icon(struct taskdialog_info *dialog_info, INT element, HICON icon)
{
DWORD flags = dialog_info->taskconfig->dwFlags;
INT cx = 0, cy = 0;
HICON hicon;
if (!icon) return;
if (((flags & TDF_USE_HICON_MAIN) && element == TDIE_ICON_MAIN)
|| ((flags & TDF_USE_HICON_FOOTER) && element == TDIE_ICON_FOOTER))
hicon = icon;
else
{
if (element == TDIE_ICON_FOOTER)
{
cx = GetSystemMetrics(SM_CXSMICON);
cy = GetSystemMetrics(SM_CYSMICON);
}
hicon = LoadImageW(dialog_info->taskconfig->hInstance, (LPCWSTR)icon, IMAGE_ICON, cx, cy, LR_SHARED | LR_DEFAULTSIZE);
if (!hicon)
hicon = LoadImageW(NULL, (LPCWSTR)taskdialog_get_standard_icon((LPCWSTR)icon), IMAGE_ICON, cx, cy,
LR_SHARED | LR_DEFAULTSIZE);
}
if (!hicon) return;
if (element == TDIE_ICON_MAIN)
{
SendMessageW(dialog_info->hwnd, WM_SETICON, (WPARAM)ICON_BIG, (LPARAM)hicon);
SendMessageW(dialog_info->main_icon, STM_SETICON, (WPARAM)hicon, 0);
}
else if (element == TDIE_ICON_FOOTER)
SendMessageW(dialog_info->footer_icon, STM_SETICON, (WPARAM)hicon, 0);
}
static void taskdialog_set_element_text(struct taskdialog_info *dialog_info, TASKDIALOG_ELEMENTS element,
const WCHAR *text)
{
HWND hwnd = NULL;
WCHAR *textW;
if (element == TDE_CONTENT)
hwnd = dialog_info->content;
else if (element == TDE_EXPANDED_INFORMATION)
hwnd = dialog_info->expanded_info;
else if (element == TDE_FOOTER)
hwnd = dialog_info->footer_text;
else if (element == TDE_MAIN_INSTRUCTION)
hwnd = dialog_info->main_instruction;
if (!hwnd) return;
textW = taskdialog_gettext(dialog_info, TRUE, text);
SendMessageW(hwnd, WM_SETTEXT, 0, (LPARAM)textW);
Free(textW);
}
static void taskdialog_check_default_radio_buttons(struct taskdialog_info *dialog_info)
{
const TASKDIALOGCONFIG *taskconfig = dialog_info->taskconfig;
HWND default_button;
if (!dialog_info->radio_button_count) return;
default_button = taskdialog_find_button(dialog_info->radio_buttons, dialog_info->radio_button_count,
taskconfig->nDefaultRadioButton);
if (!default_button && !(taskconfig->dwFlags & TDF_NO_DEFAULT_RADIO_BUTTON))
default_button = dialog_info->radio_buttons[0];
if (default_button)
{
SendMessageW(default_button, BM_SETCHECK, BST_CHECKED, 0);
taskdialog_on_button_click(dialog_info, default_button, 0);
}
}
static void taskdialog_add_main_icon(struct taskdialog_info *dialog_info)
{
if (!dialog_info->taskconfig->u.hMainIcon) return;
dialog_info->main_icon =
CreateWindowW(WC_STATICW, NULL, WS_CHILD | WS_VISIBLE | SS_ICON, 0, 0, 0, 0, dialog_info->hwnd, NULL, 0, NULL);
taskdialog_set_icon(dialog_info, TDIE_ICON_MAIN, dialog_info->taskconfig->u.hMainIcon);
}
static HWND taskdialog_create_label(struct taskdialog_info *dialog_info, const WCHAR *text, HFONT font, BOOL syslink)
{
WCHAR *textW;
HWND hwnd;
const WCHAR *class;
DWORD style = WS_CHILD | WS_VISIBLE;
if (!text) return NULL;
class = syslink ? WC_LINK : WC_STATICW;
if (syslink) style |= WS_TABSTOP;
textW = taskdialog_gettext(dialog_info, TRUE, text);
hwnd = CreateWindowW(class, textW, style, 0, 0, 0, 0, dialog_info->hwnd, NULL, 0, NULL);
Free(textW);
SendMessageW(hwnd, WM_SETFONT, (WPARAM)font, 0);
return hwnd;
}
static void taskdialog_add_main_instruction(struct taskdialog_info *dialog_info)
{
const TASKDIALOGCONFIG *taskconfig = dialog_info->taskconfig;
NONCLIENTMETRICSW ncm;
if (!taskconfig->pszMainInstruction) return;
ncm.cbSize = sizeof(ncm);
SystemParametersInfoW(SPI_GETNONCLIENTMETRICS, ncm.cbSize, &ncm, 0);
/* 1.25 times the height */
ncm.lfMessageFont.lfHeight = ncm.lfMessageFont.lfHeight * 5 / 4;
ncm.lfMessageFont.lfWeight = FW_BOLD;
dialog_info->main_instruction_font = CreateFontIndirectW(&ncm.lfMessageFont);
dialog_info->main_instruction =
taskdialog_create_label(dialog_info, taskconfig->pszMainInstruction, dialog_info->main_instruction_font, FALSE);
}
static void taskdialog_add_content(struct taskdialog_info *dialog_info)
{
dialog_info->content = taskdialog_create_label(dialog_info, dialog_info->taskconfig->pszContent, dialog_info->font,
taskdialog_hyperlink_enabled(dialog_info));
}
static void taskdialog_add_progress_bar(struct taskdialog_info *dialog_info)
{
const TASKDIALOGCONFIG *taskconfig = dialog_info->taskconfig;
DWORD style = PBS_SMOOTH | PBS_SMOOTHREVERSE | WS_CHILD | WS_VISIBLE;
if (!(taskconfig->dwFlags & (TDF_SHOW_PROGRESS_BAR | TDF_SHOW_MARQUEE_PROGRESS_BAR))) return;
if (taskconfig->dwFlags & TDF_SHOW_MARQUEE_PROGRESS_BAR) style |= PBS_MARQUEE;
dialog_info->progress_bar =
CreateWindowW(PROGRESS_CLASSW, NULL, style, 0, 0, 0, 0, dialog_info->hwnd, NULL, 0, NULL);
}
static void taskdialog_add_radio_buttons(struct taskdialog_info *dialog_info)
{
const TASKDIALOGCONFIG *taskconfig = dialog_info->taskconfig;
static const DWORD style = BS_AUTORADIOBUTTON | BS_MULTILINE | BS_TOP | WS_CHILD | WS_VISIBLE | WS_TABSTOP;
WCHAR *textW;
INT i;
if (!taskconfig->cRadioButtons || !taskconfig->pRadioButtons) return;
dialog_info->radio_buttons = Alloc(taskconfig->cRadioButtons * sizeof(*dialog_info->radio_buttons));
if (!dialog_info->radio_buttons) return;
dialog_info->radio_button_count = taskconfig->cRadioButtons;
for (i = 0; i < dialog_info->radio_button_count; i++)
{
textW = taskdialog_gettext(dialog_info, TRUE, taskconfig->pRadioButtons[i].pszButtonText);
dialog_info->radio_buttons[i] =
CreateWindowW(WC_BUTTONW, textW, i == 0 ? style | WS_GROUP : style, 0, 0, 0, 0, dialog_info->hwnd,
LongToHandle(taskconfig->pRadioButtons[i].nButtonID), 0, NULL);
SendMessageW(dialog_info->radio_buttons[i], WM_SETFONT, (WPARAM)dialog_info->font, 0);
Free(textW);
}
}
static void taskdialog_add_command_links(struct taskdialog_info *dialog_info)
{
const TASKDIALOGCONFIG *taskconfig = dialog_info->taskconfig;
DWORD default_style = BS_MULTILINE | BS_LEFT | BS_TOP | WS_CHILD | WS_VISIBLE | WS_TABSTOP, style;
BOOL is_default;
WCHAR *textW;
INT i;
if (!taskconfig->cButtons || !taskconfig->pButtons || !taskdialog_use_command_link(dialog_info)) return;
dialog_info->command_links = Alloc(taskconfig->cButtons * sizeof(*dialog_info->command_links));
if (!dialog_info->command_links) return;
dialog_info->command_link_count = taskconfig->cButtons;
for (i = 0; i < dialog_info->command_link_count; i++)
{
is_default = taskconfig->pButtons[i].nButtonID == taskconfig->nDefaultButton;
style = is_default ? default_style | BS_DEFCOMMANDLINK : default_style | BS_COMMANDLINK;
textW = taskdialog_gettext(dialog_info, TRUE, taskconfig->pButtons[i].pszButtonText);
dialog_info->command_links[i] = CreateWindowW(WC_BUTTONW, textW, style, 0, 0, 0, 0, dialog_info->hwnd,
LongToHandle(taskconfig->pButtons[i].nButtonID), 0, NULL);
SendMessageW(dialog_info->command_links[i], WM_SETFONT, (WPARAM)dialog_info->font, 0);
Free(textW);
if (is_default && !dialog_info->default_button) dialog_info->default_button = dialog_info->command_links[i];
}
}
static void taskdialog_add_expanded_info(struct taskdialog_info *dialog_info)
{
const TASKDIALOGCONFIG *taskconfig = dialog_info->taskconfig;
if (!taskconfig->pszExpandedInformation) return;
dialog_info->expanded = taskconfig->dwFlags & TDF_EXPANDED_BY_DEFAULT;
dialog_info->expanded_info = taskdialog_create_label(dialog_info, taskconfig->pszExpandedInformation,
dialog_info->font, taskdialog_hyperlink_enabled(dialog_info));
ShowWindow(dialog_info->expanded_info, dialog_info->expanded ? SW_SHOWDEFAULT : SW_HIDE);
}
static void taskdialog_add_expando_button(struct taskdialog_info *dialog_info)
{
const TASKDIALOGCONFIG *taskconfig = dialog_info->taskconfig;
const WCHAR *textW;
if (!taskconfig->pszExpandedInformation) return;
if (!taskconfig->pszCollapsedControlText && !taskconfig->pszExpandedControlText)
{
dialog_info->expanded_text = taskdialog_gettext(dialog_info, FALSE, MAKEINTRESOURCEW(IDS_TD_EXPANDED));
dialog_info->collapsed_text = taskdialog_gettext(dialog_info, FALSE, MAKEINTRESOURCEW(IDS_TD_COLLAPSED));
}
else
{
textW = taskconfig->pszExpandedControlText ? taskconfig->pszExpandedControlText
: taskconfig->pszCollapsedControlText;
dialog_info->expanded_text = taskdialog_gettext(dialog_info, TRUE, textW);
textW = taskconfig->pszCollapsedControlText ? taskconfig->pszCollapsedControlText
: taskconfig->pszExpandedControlText;
dialog_info->collapsed_text = taskdialog_gettext(dialog_info, TRUE, textW);
}
textW = dialog_info->expanded ? dialog_info->expanded_text : dialog_info->collapsed_text;
dialog_info->expando_button = CreateWindowW(WC_BUTTONW, textW, WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_OWNERDRAW, 0,
0, 0, 0, dialog_info->hwnd, 0, 0, 0);
SendMessageW(dialog_info->expando_button, WM_SETFONT, (WPARAM)dialog_info->font, 0);
}
static void taskdialog_add_verification_box(struct taskdialog_info *dialog_info)
{
const TASKDIALOGCONFIG *taskconfig = dialog_info->taskconfig;
static const DWORD style = BS_AUTOCHECKBOX | BS_MULTILINE | BS_LEFT | BS_TOP | WS_CHILD | WS_VISIBLE | WS_TABSTOP;
WCHAR *textW;
/* TDF_VERIFICATION_FLAG_CHECKED works even if pszVerificationText is not set */
if (taskconfig->dwFlags & TDF_VERIFICATION_FLAG_CHECKED) dialog_info->verification_checked = TRUE;
if (!taskconfig->pszVerificationText) return;
textW = taskdialog_gettext(dialog_info, TRUE, taskconfig->pszVerificationText);
dialog_info->verification_box = CreateWindowW(WC_BUTTONW, textW, style, 0, 0, 0, 0, dialog_info->hwnd, 0, 0, 0);
SendMessageW(dialog_info->verification_box, WM_SETFONT, (WPARAM)dialog_info->font, 0);
Free(textW);
if (taskconfig->dwFlags & TDF_VERIFICATION_FLAG_CHECKED)
SendMessageW(dialog_info->verification_box, BM_SETCHECK, BST_CHECKED, 0);
}
static void taskdialog_add_button(struct taskdialog_info *dialog_info, HWND *button, INT_PTR id, const WCHAR *text,
BOOL custom_button)
{
const TASKDIALOGCONFIG *taskconfig = dialog_info->taskconfig;
WCHAR *textW;
textW = taskdialog_gettext(dialog_info, custom_button, text);
*button = CreateWindowW(WC_BUTTONW, textW, WS_CHILD | WS_VISIBLE | WS_TABSTOP, 0, 0, 0, 0, dialog_info->hwnd,
(HMENU)id, 0, NULL);
Free(textW);
SendMessageW(*button, WM_SETFONT, (WPARAM)dialog_info->font, 0);
if (id == taskconfig->nDefaultButton && !dialog_info->default_button) dialog_info->default_button = *button;
}
static void taskdialog_add_buttons(struct taskdialog_info *dialog_info)
{
const TASKDIALOGCONFIG *taskconfig = dialog_info->taskconfig;
BOOL use_command_links = taskdialog_use_command_link(dialog_info);
DWORD flags = taskconfig->dwCommonButtons;
INT count, max_count;
/* Allocate enough memory for the custom and the default buttons. Maximum 6 default buttons possible. */
max_count = 6;
if (!use_command_links && taskconfig->cButtons && taskconfig->pButtons) max_count += taskconfig->cButtons;
dialog_info->buttons = Alloc(max_count * sizeof(*dialog_info->buttons));
if (!dialog_info->buttons) return;
for (count = 0; !use_command_links && count < taskconfig->cButtons; count++)
taskdialog_add_button(dialog_info, &dialog_info->buttons[count], taskconfig->pButtons[count].nButtonID,
taskconfig->pButtons[count].pszButtonText, TRUE);
#define TASKDIALOG_INIT_COMMON_BUTTON(id) \
do \
{ \
taskdialog_add_button(dialog_info, &dialog_info->buttons[count++], ID##id, MAKEINTRESOURCEW(IDS_BUTTON_##id), \
FALSE); \
} while (0)
if (flags & TDCBF_OK_BUTTON) TASKDIALOG_INIT_COMMON_BUTTON(OK);
if (flags & TDCBF_YES_BUTTON) TASKDIALOG_INIT_COMMON_BUTTON(YES);
if (flags & TDCBF_NO_BUTTON) TASKDIALOG_INIT_COMMON_BUTTON(NO);
if (flags & TDCBF_RETRY_BUTTON) TASKDIALOG_INIT_COMMON_BUTTON(RETRY);
if (flags & TDCBF_CANCEL_BUTTON) TASKDIALOG_INIT_COMMON_BUTTON(CANCEL);
if (flags & TDCBF_CLOSE_BUTTON) TASKDIALOG_INIT_COMMON_BUTTON(CLOSE);
if (!count && !dialog_info->command_link_count) TASKDIALOG_INIT_COMMON_BUTTON(OK);
#undef TASKDIALOG_INIT_COMMON_BUTTON
dialog_info->button_count = count;
}
static void taskdialog_add_footer_icon(struct taskdialog_info *dialog_info)
{
if (!dialog_info->taskconfig->u2.hFooterIcon) return;
dialog_info->footer_icon =
CreateWindowW(WC_STATICW, NULL, WS_CHILD | WS_VISIBLE | SS_ICON, 0, 0, 0, 0, dialog_info->hwnd, NULL, 0, 0);
taskdialog_set_icon(dialog_info, TDIE_ICON_FOOTER, dialog_info->taskconfig->u2.hFooterIcon);
}
static void taskdialog_add_footer_text(struct taskdialog_info *dialog_info)
{
dialog_info->footer_text = taskdialog_create_label(dialog_info, dialog_info->taskconfig->pszFooter,
dialog_info->font, taskdialog_hyperlink_enabled(dialog_info));
}
static LONG taskdialog_get_dialog_width(struct taskdialog_info *dialog_info)
{
const TASKDIALOGCONFIG *taskconfig = dialog_info->taskconfig;
BOOL syslink = taskdialog_hyperlink_enabled(dialog_info);
LONG max_width, main_icon_width, screen_width;
RECT rect;
SIZE size;
screen_width = taskdialog_get_reference_rect(taskconfig, &rect);
if ((taskconfig->dwFlags & TDF_SIZE_TO_CONTENT) && !taskconfig->cxWidth)
{
max_width = DIALOG_MIN_WIDTH;
taskdialog_du_to_px(dialog_info, &max_width, NULL);
main_icon_width = dialog_info->m.h_spacing;
if (dialog_info->main_icon) main_icon_width += GetSystemMetrics(SM_CXICON);
if (dialog_info->content)
{
taskdialog_get_label_size(dialog_info, dialog_info->content, 0, &size, syslink);
max_width = max(max_width, size.cx + main_icon_width + dialog_info->m.h_spacing * 2);
}
}
else
{
max_width = max(taskconfig->cxWidth, DIALOG_MIN_WIDTH);
taskdialog_du_to_px(dialog_info, &max_width, NULL);
}
max_width = min(max_width, screen_width);
return max_width;
}
static void taskdialog_label_layout(struct taskdialog_info *dialog_info, HWND hwnd, INT start_x, LONG dialog_width,
LONG *dialog_height, BOOL syslink)
{
LONG x, y, max_width;
SIZE size;
if (!hwnd) return;
x = start_x + dialog_info->m.h_spacing;
y = *dialog_height + dialog_info->m.v_spacing;
max_width = dialog_width - x - dialog_info->m.h_spacing;
taskdialog_get_label_size(dialog_info, hwnd, max_width, &size, syslink);
SetWindowPos(hwnd, 0, x, y, size.cx, size.cy, SWP_NOZORDER);
*dialog_height = y + size.cy;
}
static void taskdialog_layout(struct taskdialog_info *dialog_info)
{
const TASKDIALOGCONFIG *taskconfig = dialog_info->taskconfig;
BOOL syslink = taskdialog_hyperlink_enabled(dialog_info);
static BOOL first_time = TRUE;
RECT ref_rect;
LONG dialog_width, dialog_height = 0;
LONG h_spacing, v_spacing;
LONG main_icon_right, main_icon_bottom;
LONG expando_right, expando_bottom;
struct button_layout_info *button_layout_infos;
LONG button_min_width, button_height;
LONG *line_widths, line_count, align;
LONG footer_icon_right, footer_icon_bottom;
LONG x, y;
SIZE size;
INT i;
taskdialog_get_reference_rect(dialog_info->taskconfig, &ref_rect);
dialog_width = taskdialog_get_dialog_width(dialog_info);
h_spacing = dialog_info->m.h_spacing;
v_spacing = dialog_info->m.v_spacing;
/* Main icon */
main_icon_right = 0;
main_icon_bottom = 0;
if (dialog_info->main_icon)
{
x = h_spacing;
y = dialog_height + v_spacing;
size.cx = GetSystemMetrics(SM_CXICON);
size.cy = GetSystemMetrics(SM_CYICON);
SetWindowPos(dialog_info->main_icon, 0, x, y, size.cx, size.cy, SWP_NOZORDER);
main_icon_right = x + size.cx;
main_icon_bottom = y + size.cy;
}
/* Main instruction */
taskdialog_label_layout(dialog_info, dialog_info->main_instruction, main_icon_right, dialog_width, &dialog_height,
FALSE);
/* Content */
taskdialog_label_layout(dialog_info, dialog_info->content, main_icon_right, dialog_width, &dialog_height, syslink);
/* Expanded information */
if (!(taskconfig->dwFlags & TDF_EXPAND_FOOTER_AREA) && dialog_info->expanded)
taskdialog_label_layout(dialog_info, dialog_info->expanded_info, main_icon_right, dialog_width, &dialog_height,
syslink);
/* Progress bar */
if (dialog_info->progress_bar)
{
x = main_icon_right + h_spacing;
y = dialog_height + v_spacing;
size.cx = dialog_width - x - h_spacing;
size.cy = GetSystemMetrics(SM_CYVSCROLL);
SetWindowPos(dialog_info->progress_bar, 0, x, y, size.cx, size.cy, SWP_NOZORDER);
dialog_height = y + size.cy;
}
/* Radio buttons */
for (i = 0; i < dialog_info->radio_button_count; i++)
{
x = main_icon_right + h_spacing;
y = dialog_height + v_spacing;
taskdialog_get_button_size(dialog_info->radio_buttons[i], dialog_width - x - h_spacing, &size);
size.cx = dialog_width - x - h_spacing;
SetWindowPos(dialog_info->radio_buttons[i], 0, x, y, size.cx, size.cy, SWP_NOZORDER);
dialog_height = y + size.cy;
}
/* Command links */
for (i = 0; i < dialog_info->command_link_count; i++)
{
x = main_icon_right + h_spacing;
y = dialog_height;
/* Only add spacing for the first command links. There is no vertical spacing between command links */
if (!i)
y += v_spacing;
taskdialog_get_button_size(dialog_info->command_links[i], dialog_width - x - h_spacing, &size);
size.cx = dialog_width - x - h_spacing;
/* Add spacing */
size.cy += 4;
SetWindowPos(dialog_info->command_links[i], 0, x, y, size.cx, size.cy, SWP_NOZORDER);
dialog_height = y + size.cy;
}
dialog_height = max(dialog_height, main_icon_bottom);
expando_right = 0;
expando_bottom = dialog_height;
/* Expando control */
if (dialog_info->expando_button)
{
x = h_spacing;
y = dialog_height + v_spacing;
taskdialog_get_expando_size(dialog_info, dialog_info->expando_button, &size);
SetWindowPos(dialog_info->expando_button, 0, x, y, size.cx, size.cy, SWP_NOZORDER);
expando_right = x + size.cx;
expando_bottom = y + size.cy;
}
/* Verification box */
if (dialog_info->verification_box)
{
x = h_spacing;
y = expando_bottom + v_spacing;
size.cx = DIALOG_MIN_WIDTH / 2;
taskdialog_du_to_px(dialog_info, &size.cx, NULL);
taskdialog_get_button_size(dialog_info->verification_box, size.cx, &size);
SetWindowPos(dialog_info->verification_box, 0, x, y, size.cx, size.cy, SWP_NOZORDER);
expando_right = max(expando_right, x + size.cx);
expando_bottom = y + size.cy;
}
/* Common and custom buttons */
button_layout_infos = Alloc(dialog_info->button_count * sizeof(*button_layout_infos));
line_widths = Alloc(dialog_info->button_count * sizeof(*line_widths));
button_min_width = DIALOG_BUTTON_WIDTH;
button_height = DIALOG_BUTTON_HEIGHT;
taskdialog_du_to_px(dialog_info, &button_min_width, &button_height);
for (i = 0; i < dialog_info->button_count; i++)
{
taskdialog_get_button_size(dialog_info->buttons[i], dialog_width - expando_right - h_spacing * 2, &size);
button_layout_infos[i].width = max(size.cx, button_min_width);
}
/* Separate buttons into lines */
x = expando_right + h_spacing;
for (i = 0, line_count = 0; i < dialog_info->button_count; i++)
{
button_layout_infos[i].line = line_count;
x += button_layout_infos[i].width + h_spacing;
line_widths[line_count] += button_layout_infos[i].width + h_spacing;
if ((i + 1 < dialog_info->button_count) && (x + button_layout_infos[i + 1].width + h_spacing >= dialog_width))
{
x = expando_right + h_spacing;
line_count++;
}
}
line_count++;
/* Try to balance lines so they are about the same size */
for (i = 1; i < line_count - 1; i++)
{
int diff_now = abs(line_widths[i] - line_widths[i - 1]);
unsigned int j, last_button = 0;
int diff_changed;
for (j = 0; j < dialog_info->button_count; j++)
if (button_layout_infos[j].line == i - 1) last_button = j;
/* Difference in length of both lines if we wrapped the last button from the last line into this one */
diff_changed = abs(2 * button_layout_infos[last_button].width + line_widths[i] - line_widths[i - 1]);
if (diff_changed < diff_now)
{
button_layout_infos[last_button].line = i;
line_widths[i] += button_layout_infos[last_button].width;
line_widths[i - 1] -= button_layout_infos[last_button].width;
}
}
/* Calculate left alignment so all lines are as far right as possible. */
align = dialog_width - h_spacing;
for (i = 0; i < line_count; i++)
{
int new_alignment = dialog_width - line_widths[i];
if (new_alignment < align) align = new_alignment;
}
/* Now that we got them all positioned, move all buttons */
x = align;
size.cy = button_height;
for (i = 0; i < dialog_info->button_count; i++)
{
/* New line */
if (i > 0 && button_layout_infos[i].line != button_layout_infos[i - 1].line)
{
x = align;
dialog_height += size.cy + v_spacing;
}
y = dialog_height + v_spacing;
size.cx = button_layout_infos[i].width;
SetWindowPos(dialog_info->buttons[i], 0, x, y, size.cx, size.cy, SWP_NOZORDER);
x += button_layout_infos[i].width + h_spacing;
}
/* Add height for last row button and spacing */
dialog_height += size.cy + v_spacing;
dialog_height = max(dialog_height, expando_bottom);
Free(button_layout_infos);
Free(line_widths);
/* Footer icon */
footer_icon_right = 0;
footer_icon_bottom = dialog_height;
if (dialog_info->footer_icon)
{
x = h_spacing;
y = dialog_height + v_spacing;
size.cx = GetSystemMetrics(SM_CXSMICON);
size.cy = GetSystemMetrics(SM_CYSMICON);
SetWindowPos(dialog_info->footer_icon, 0, x, y, size.cx, size.cy, SWP_NOZORDER);
footer_icon_right = x + size.cx;
footer_icon_bottom = y + size.cy;
}
/* Footer text */
taskdialog_label_layout(dialog_info, dialog_info->footer_text, footer_icon_right, dialog_width, &dialog_height,
syslink);
dialog_height = max(dialog_height, footer_icon_bottom);
/* Expanded information */
if ((taskconfig->dwFlags & TDF_EXPAND_FOOTER_AREA) && dialog_info->expanded)
taskdialog_label_layout(dialog_info, dialog_info->expanded_info, 0, dialog_width, &dialog_height, syslink);
/* Add height for spacing, title height and frame height */
dialog_height += v_spacing;
dialog_height += GetSystemMetrics(SM_CYCAPTION);
dialog_height += GetSystemMetrics(SM_CXDLGFRAME);
if (first_time)
{
x = (ref_rect.left + ref_rect.right - dialog_width) / 2;
y = (ref_rect.top + ref_rect.bottom - dialog_height) / 2;
SetWindowPos(dialog_info->hwnd, 0, x, y, dialog_width, dialog_height, SWP_NOZORDER);
first_time = FALSE;
}
else
SetWindowPos(dialog_info->hwnd, 0, 0, 0, dialog_width, dialog_height, SWP_NOMOVE | SWP_NOZORDER);
}
static void taskdialog_draw_expando_control(struct taskdialog_info *dialog_info, LPDRAWITEMSTRUCT dis)
{
HWND hwnd;
HDC hdc;
RECT rect = {0};
WCHAR *text;
LONG icon_width, icon_height, text_offset;
UINT style = DFCS_FLAT;
BOOL draw_focus;
hdc = dis->hDC;
hwnd = dis->hwndItem;
SendMessageW(hwnd, WM_ERASEBKGND, (WPARAM)hdc, 0);
icon_width = DIALOG_EXPANDO_ICON_WIDTH;
icon_height = DIALOG_EXPANDO_ICON_HEIGHT;
taskdialog_du_to_px(dialog_info, &icon_width, &icon_height);
rect.right = icon_width;
rect.bottom = icon_height;
style |= dialog_info->expanded ? DFCS_SCROLLUP : DFCS_SCROLLDOWN;
DrawFrameControl(hdc, &rect, DFC_SCROLL, style);
GetCharWidthW(hdc, '0', '0', &text_offset);
text_offset /= 2;
rect = dis->rcItem;
rect.left += icon_width + text_offset;
text = dialog_info->expanded ? dialog_info->expanded_text : dialog_info->collapsed_text;
DrawTextW(hdc, text, -1, &rect, DT_WORDBREAK | DT_END_ELLIPSIS | DT_EXPANDTABS);
draw_focus = (dis->itemState & ODS_FOCUS) && !(dis->itemState & ODS_NOFOCUSRECT);
if(draw_focus) DrawFocusRect(hdc, &rect);
}
static void taskdialog_init(struct taskdialog_info *dialog_info, HWND hwnd)
{
const TASKDIALOGCONFIG *taskconfig = dialog_info->taskconfig;
NONCLIENTMETRICSW ncm;
HDC hdc;
INT id;
ncm.cbSize = sizeof(ncm);
SystemParametersInfoW(SPI_GETNONCLIENTMETRICS, ncm.cbSize, &ncm, 0);
memset(dialog_info, 0, sizeof(*dialog_info));
dialog_info->taskconfig = taskconfig;
dialog_info->hwnd = hwnd;
dialog_info->font = CreateFontIndirectW(&ncm.lfMessageFont);
hdc = GetDC(dialog_info->hwnd);
SelectObject(hdc, dialog_info->font);
dialog_info->m.x_baseunit = GdiGetCharDimensions(hdc, NULL, &dialog_info->m.y_baseunit);
ReleaseDC(dialog_info->hwnd, hdc);
dialog_info->m.h_spacing = DIALOG_SPACING;
dialog_info->m.v_spacing = DIALOG_SPACING;
taskdialog_du_to_px(dialog_info, &dialog_info->m.h_spacing, &dialog_info->m.v_spacing);
if (taskconfig->dwFlags & TDF_CALLBACK_TIMER)
{
SetTimer(hwnd, ID_TIMER, DIALOG_TIMER_MS, NULL);
dialog_info->last_timer_tick = GetTickCount();
}
taskdialog_add_main_icon(dialog_info);
taskdialog_add_main_instruction(dialog_info);
taskdialog_add_content(dialog_info);
taskdialog_add_expanded_info(dialog_info);
taskdialog_add_progress_bar(dialog_info);
taskdialog_add_radio_buttons(dialog_info);
taskdialog_add_command_links(dialog_info);
taskdialog_add_expando_button(dialog_info);
taskdialog_add_verification_box(dialog_info);
taskdialog_add_buttons(dialog_info);
taskdialog_add_footer_icon(dialog_info);
taskdialog_add_footer_text(dialog_info);
/* Set default button */
if (!dialog_info->default_button && dialog_info->command_links)
dialog_info->default_button = dialog_info->command_links[0];
if (!dialog_info->default_button) dialog_info->default_button = dialog_info->buttons[0];
SendMessageW(dialog_info->hwnd, WM_NEXTDLGCTL, (WPARAM)dialog_info->default_button, TRUE);
id = GetWindowLongW(dialog_info->default_button, GWLP_ID);
SendMessageW(dialog_info->hwnd, DM_SETDEFID, id, 0);
dialog_info->has_cancel =
(taskconfig->dwFlags & TDF_ALLOW_DIALOG_CANCELLATION)
|| taskdialog_find_button(dialog_info->command_links, dialog_info->command_link_count, IDCANCEL)
|| taskdialog_find_button(dialog_info->buttons, dialog_info->button_count, IDCANCEL);
if (!dialog_info->has_cancel) DeleteMenu(GetSystemMenu(hwnd, FALSE), SC_CLOSE, MF_BYCOMMAND);
taskdialog_layout(dialog_info);
}
static BOOL CALLBACK takdialog_destroy_control(HWND hwnd, LPARAM lParam)
{
DestroyWindow(hwnd);
return TRUE;
}
static void taskdialog_destroy(struct taskdialog_info *dialog_info)
{
EnumChildWindows(dialog_info->hwnd, takdialog_destroy_control, 0);
if (dialog_info->taskconfig->dwFlags & TDF_CALLBACK_TIMER) KillTimer(dialog_info->hwnd, ID_TIMER);
if (dialog_info->font) DeleteObject(dialog_info->font);
if (dialog_info->main_instruction_font) DeleteObject(dialog_info->main_instruction_font);
Free(dialog_info->buttons);
Free(dialog_info->radio_buttons);
Free(dialog_info->command_links);
Free(dialog_info->expanded_text);
Free(dialog_info->collapsed_text);
}
static INT_PTR CALLBACK taskdialog_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
static const WCHAR taskdialog_info_propnameW[] = L"TaskDialogInfo";
struct taskdialog_info *dialog_info;
LRESULT result;
TRACE("hwnd=%p msg=0x%04x wparam=%lx lparam=%lx\n", hwnd, msg, wParam, lParam);
if (msg != WM_INITDIALOG)
dialog_info = GetPropW(hwnd, taskdialog_info_propnameW);
switch (msg)
{
case TDM_NAVIGATE_PAGE:
dialog_info->taskconfig = (const TASKDIALOGCONFIG *)lParam;
taskdialog_destroy(dialog_info);
taskdialog_init(dialog_info, hwnd);
taskdialog_notify(dialog_info, TDN_DIALOG_CONSTRUCTED, 0, 0);
/* Default radio button click notification is sent before TDN_NAVIGATED */
taskdialog_check_default_radio_buttons(dialog_info);
taskdialog_notify(dialog_info, TDN_NAVIGATED, 0, 0);
break;
case TDM_CLICK_BUTTON:
taskdialog_click_button(dialog_info, wParam);
break;
case TDM_ENABLE_BUTTON:
taskdialog_enable_button(dialog_info, wParam, lParam);
break;
case TDM_SET_MARQUEE_PROGRESS_BAR:
{
BOOL marquee = wParam;
LONG style;
if(!dialog_info->progress_bar) break;
style = GetWindowLongW(dialog_info->progress_bar, GWL_STYLE);
style = marquee ? style | PBS_MARQUEE : style & (~PBS_MARQUEE);
SetWindowLongW(dialog_info->progress_bar, GWL_STYLE, style);
break;
}
case TDM_SET_PROGRESS_BAR_STATE:
result = SendMessageW(dialog_info->progress_bar, PBM_SETSTATE, wParam, 0);
SetWindowLongPtrW(hwnd, DWLP_MSGRESULT, result);
break;
case TDM_SET_PROGRESS_BAR_RANGE:
result = SendMessageW(dialog_info->progress_bar, PBM_SETRANGE, 0, lParam);
SetWindowLongPtrW(hwnd, DWLP_MSGRESULT, result);
break;
case TDM_SET_PROGRESS_BAR_POS:
result = 0;
if (dialog_info->progress_bar)
{
LONG style = GetWindowLongW(dialog_info->progress_bar, GWL_STYLE);
if (!(style & PBS_MARQUEE)) result = SendMessageW(dialog_info->progress_bar, PBM_SETPOS, wParam, 0);
}
SetWindowLongPtrW(hwnd, DWLP_MSGRESULT, result);
break;
case TDM_SET_PROGRESS_BAR_MARQUEE:
SendMessageW(dialog_info->progress_bar, PBM_SETMARQUEE, wParam, lParam);
break;
case TDM_SET_ELEMENT_TEXT:
taskdialog_set_element_text(dialog_info, wParam, (const WCHAR *)lParam);
taskdialog_layout(dialog_info);
break;
case TDM_UPDATE_ELEMENT_TEXT:
taskdialog_set_element_text(dialog_info, wParam, (const WCHAR *)lParam);
break;
case TDM_CLICK_RADIO_BUTTON:
taskdialog_click_radio_button(dialog_info, wParam);
break;
case TDM_ENABLE_RADIO_BUTTON:
taskdialog_enable_radio_button(dialog_info, wParam, lParam);
break;
case TDM_CLICK_VERIFICATION:
{
BOOL checked = (BOOL)wParam;
BOOL focused = (BOOL)lParam;
dialog_info->verification_checked = checked;
if (dialog_info->verification_box)
{
SendMessageW(dialog_info->verification_box, BM_SETCHECK, checked ? BST_CHECKED : BST_UNCHECKED, 0);
taskdialog_notify(dialog_info, TDN_VERIFICATION_CLICKED, checked, 0);
if (focused) SetFocus(dialog_info->verification_box);
}
break;
}
case TDM_SET_BUTTON_ELEVATION_REQUIRED_STATE:
taskdialog_button_set_shield(dialog_info, wParam, lParam);
break;
case TDM_UPDATE_ICON:
taskdialog_set_icon(dialog_info, wParam, (HICON)lParam);
break;
case WM_INITDIALOG:
dialog_info = (struct taskdialog_info *)lParam;
taskdialog_init(dialog_info, hwnd);
SetPropW(hwnd, taskdialog_info_propnameW, dialog_info);
taskdialog_notify(dialog_info, TDN_DIALOG_CONSTRUCTED, 0, 0);
taskdialog_notify(dialog_info, TDN_CREATED, 0, 0);
/* Default radio button click notification sent after TDN_CREATED */
taskdialog_check_default_radio_buttons(dialog_info);
return FALSE;
case WM_COMMAND:
if (HIWORD(wParam) == BN_CLICKED)
{
taskdialog_on_button_click(dialog_info, (HWND)lParam, LOWORD(wParam));
break;
}
return FALSE;
case WM_HELP:
taskdialog_notify(dialog_info, TDN_HELP, 0, 0);
break;
case WM_TIMER:
if (ID_TIMER == wParam)
{
DWORD elapsed = GetTickCount() - dialog_info->last_timer_tick;
if (taskdialog_notify(dialog_info, TDN_TIMER, elapsed, 0) == S_FALSE)
dialog_info->last_timer_tick = GetTickCount();
}
break;
case WM_NOTIFY:
{
PNMLINK pnmLink = (PNMLINK)lParam;
HWND hwndFrom = pnmLink->hdr.hwndFrom;
if ((taskdialog_hyperlink_enabled(dialog_info))
&& (hwndFrom == dialog_info->content || hwndFrom == dialog_info->expanded_info
|| hwndFrom == dialog_info->footer_text)
&& (pnmLink->hdr.code == NM_CLICK || pnmLink->hdr.code == NM_RETURN))
{
taskdialog_notify(dialog_info, TDN_HYPERLINK_CLICKED, 0, (LPARAM)pnmLink->item.szUrl);
break;
}
return FALSE;
}
case WM_DRAWITEM:
{
LPDRAWITEMSTRUCT dis = (LPDRAWITEMSTRUCT)lParam;
if (dis->hwndItem == dialog_info->expando_button)
{
taskdialog_draw_expando_control(dialog_info, dis);
SetWindowLongPtrW(hwnd, DWLP_MSGRESULT, TRUE);
break;
}
return FALSE;
}
case WM_DESTROY:
taskdialog_notify(dialog_info, TDN_DESTROYED, 0, 0);
RemovePropW(hwnd, taskdialog_info_propnameW);
taskdialog_destroy(dialog_info);
break;
case WM_CLOSE:
if (dialog_info->has_cancel)
{
if(taskdialog_notify(dialog_info, TDN_BUTTON_CLICKED, IDCANCEL, 0) == S_OK)
EndDialog(hwnd, IDCANCEL);
SetWindowLongPtrW(hwnd, DWLP_MSGRESULT, 0);
break;
}
return FALSE;
default:
return FALSE;
}
return TRUE;
}
/***********************************************************************
* TaskDialogIndirect [COMCTL32.@]
*/
HRESULT WINAPI TaskDialogIndirect(const TASKDIALOGCONFIG *taskconfig, int *button,
int *radio_button, BOOL *verification_flag_checked)
{
struct taskdialog_info dialog_info;
DLGTEMPLATE *template;
INT ret;
TRACE("%p, %p, %p, %p\n", taskconfig, button, radio_button, verification_flag_checked);
if (!taskconfig || taskconfig->cbSize != sizeof(TASKDIALOGCONFIG))
return E_INVALIDARG;
dialog_info.taskconfig = taskconfig;
template = create_taskdialog_template(taskconfig);
ret = (short)DialogBoxIndirectParamW(taskconfig->hInstance, template, taskconfig->hwndParent,
taskdialog_proc, (LPARAM)&dialog_info);
Free(template);
if (button) *button = ret;
if (radio_button) *radio_button = dialog_info.selected_radio_id;
if (verification_flag_checked) *verification_flag_checked = dialog_info.verification_checked;
return S_OK;
}
/***********************************************************************
* TaskDialog [COMCTL32.@]
*/
HRESULT WINAPI TaskDialog(HWND owner, HINSTANCE hinst, const WCHAR *title, const WCHAR *main_instruction,
const WCHAR *content, TASKDIALOG_COMMON_BUTTON_FLAGS common_buttons, const WCHAR *icon, int *button)
{
TASKDIALOGCONFIG taskconfig;
TRACE("%p, %p, %s, %s, %s, %#x, %s, %p\n", owner, hinst, debugstr_w(title), debugstr_w(main_instruction),
debugstr_w(content), common_buttons, debugstr_w(icon), button);
memset(&taskconfig, 0, sizeof(taskconfig));
taskconfig.cbSize = sizeof(taskconfig);
taskconfig.hwndParent = owner;
taskconfig.hInstance = hinst;
taskconfig.dwCommonButtons = common_buttons;
taskconfig.pszWindowTitle = title;
taskconfig.u.pszMainIcon = icon;
taskconfig.pszMainInstruction = main_instruction;
taskconfig.pszContent = content;
return TaskDialogIndirect(&taskconfig, button, NULL, NULL);
}
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