forked from Mirrors/wine-wine
comctl32/taskdialog: Added support for custom buttons.
Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>oldstable
Fabian Maurer
Alexandre Julliard
parent
df07533a80
commit
5b06498b93
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@ -20,6 +20,7 @@
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*/
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#define NONAMELESSUNION
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@ -43,7 +44,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(taskdialog);
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#define ALIGN_LENGTH(_Len, _Align) _Len = ALIGNED_LENGTH(_Len, _Align)
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#define ALIGN_POINTER(_Ptr, _Align) _Ptr = ALIGNED_POINTER(_Ptr, _Align)
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static const UINT DIALOG_MIN_WIDTH = 180;
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static const UINT DIALOG_MIN_WIDTH = 240;
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static const UINT DIALOG_SPACING = 5;
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static const UINT DIALOG_BUTTON_WIDTH = 50;
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static const UINT DIALOG_BUTTON_HEIGHT = 14;
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@ -70,6 +71,15 @@ struct taskdialog_template_desc
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HFONT font;
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};
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struct taskdialog_button_desc
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{
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int id;
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const WCHAR *text;
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unsigned int width;
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unsigned int line;
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HINSTANCE hinst;
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};
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static void pixels_to_dialogunits(const struct taskdialog_template_desc *desc, LONG *width, LONG *height)
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{
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if (width)
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@ -92,6 +102,47 @@ static void template_write_data(char **ptr, const void *src, unsigned int size)
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*ptr += size;
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}
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/* used to calculate size for the controls */
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static void taskdialog_get_text_extent(const struct taskdialog_template_desc *desc, const WCHAR *text,
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BOOL user_resource, SIZE *sz)
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{
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RECT rect = { 0, 0, desc->dialog_width - DIALOG_SPACING * 2, 0}; /* padding left and right of the control */
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const WCHAR *textW = NULL;
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static const WCHAR nulW;
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unsigned int length;
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HFONT oldfont;
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HDC hdc;
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if (IS_INTRESOURCE(text))
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{
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if (!(length = LoadStringW(user_resource ? desc->taskconfig->hInstance : COMCTL32_hModule,
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(UINT_PTR)text, (WCHAR *)&textW, 0)))
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{
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WARN("Failed to load text\n");
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textW = &nulW;
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length = 0;
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}
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}
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else
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{
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textW = text;
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length = strlenW(textW);
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}
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hdc = GetDC(0);
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oldfont = SelectObject(hdc, desc->font);
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dialogunits_to_pixels(desc, &rect.right, NULL);
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DrawTextW(hdc, textW, length, &rect, DT_LEFT | DT_EXPANDTABS | DT_CALCRECT | DT_WORDBREAK);
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pixels_to_dialogunits(desc, &rect.right, &rect.bottom);
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SelectObject(hdc, oldfont);
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ReleaseDC(0, hdc);
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sz->cx = rect.right - rect.left;
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sz->cy = rect.bottom - rect.top;
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}
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static unsigned int taskdialog_add_control(struct taskdialog_template_desc *desc, WORD id, const WCHAR *class,
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HINSTANCE hInstance, const WCHAR *text, short x, short y, short cx, short cy)
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{
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@ -139,43 +190,18 @@ static unsigned int taskdialog_add_control(struct taskdialog_template_desc *desc
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static unsigned int taskdialog_add_static_label(struct taskdialog_template_desc *desc, WORD id, const WCHAR *str)
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{
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RECT rect = { 0, 0, desc->dialog_width - DIALOG_SPACING * 2, 0}; /* padding left and right of the control */
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const WCHAR *textW = NULL;
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unsigned int size, length;
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HFONT oldfont;
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HDC hdc;
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unsigned int size;
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SIZE sz;
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if (!str)
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return 0;
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if (IS_INTRESOURCE(str))
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{
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if (!(length = LoadStringW(desc->taskconfig->hInstance, (UINT_PTR)str, (WCHAR *)&textW, 0)))
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{
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WARN("Failed to load static text %s, id %#x\n", debugstr_w(str), id);
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return 0;
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}
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}
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else
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{
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textW = str;
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length = strlenW(textW);
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}
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hdc = GetDC(0);
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oldfont = SelectObject(hdc, desc->font);
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dialogunits_to_pixels(desc, &rect.right, NULL);
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DrawTextW(hdc, textW, length, &rect, DT_LEFT | DT_EXPANDTABS | DT_CALCRECT | DT_WORDBREAK);
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pixels_to_dialogunits(desc, &rect.right, &rect.bottom);
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SelectObject(hdc, oldfont);
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ReleaseDC(0, hdc);
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taskdialog_get_text_extent(desc, str, TRUE, &sz);
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desc->dialog_height += DIALOG_SPACING;
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size = taskdialog_add_control(desc, id, WC_STATICW, desc->taskconfig->hInstance, str, DIALOG_SPACING,
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desc->dialog_height, rect.right, rect.bottom);
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desc->dialog_height += rect.bottom;
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desc->dialog_height, sz.cx, sz.cy);
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desc->dialog_height += sz.cy + DIALOG_SPACING;
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return size;
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}
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@ -189,37 +215,146 @@ static unsigned int taskdialog_add_content(struct taskdialog_template_desc *desc
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return taskdialog_add_static_label(desc, ID_CONTENT, desc->taskconfig->pszContent);
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}
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static unsigned int taskdialog_add_common_buttons(struct taskdialog_template_desc *desc)
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static void taskdialog_init_button(struct taskdialog_button_desc *button, struct taskdialog_template_desc *desc,
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int id, const WCHAR *text, BOOL custom_button)
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{
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SIZE sz;
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taskdialog_get_text_extent(desc, text, custom_button, &sz);
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button->id = id;
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button->text = text;
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button->width = max(DIALOG_BUTTON_WIDTH, sz.cx + DIALOG_SPACING * 2);
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button->line = 0;
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button->hinst = custom_button ? desc->taskconfig->hInstance : COMCTL32_hModule;
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}
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static void taskdialog_init_common_buttons(struct taskdialog_template_desc *desc, struct taskdialog_button_desc *buttons,
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unsigned int *button_count)
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{
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short button_x = desc->dialog_width - DIALOG_BUTTON_WIDTH - DIALOG_SPACING;
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DWORD flags = desc->taskconfig->dwCommonButtons;
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unsigned int size = 0;
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#define TASKDIALOG_ADD_COMMON_BUTTON(id) \
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#define TASKDIALOG_INIT_COMMON_BUTTON(id) \
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do { \
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size += taskdialog_add_control(desc, ID##id, WC_BUTTONW, COMCTL32_hModule, MAKEINTRESOURCEW(IDS_BUTTON_##id), \
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button_x, desc->dialog_height + DIALOG_SPACING, DIALOG_BUTTON_WIDTH, DIALOG_BUTTON_HEIGHT); \
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button_x -= DIALOG_BUTTON_WIDTH + DIALOG_SPACING; \
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taskdialog_init_button(&buttons[(*button_count)++], desc, ID##id, MAKEINTRESOURCEW(IDS_BUTTON_##id), FALSE); \
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} while(0)
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if (flags & TDCBF_CLOSE_BUTTON)
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TASKDIALOG_ADD_COMMON_BUTTON(CLOSE);
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if (flags & TDCBF_CANCEL_BUTTON)
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TASKDIALOG_ADD_COMMON_BUTTON(CANCEL);
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if (flags & TDCBF_RETRY_BUTTON)
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TASKDIALOG_ADD_COMMON_BUTTON(RETRY);
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if (flags & TDCBF_NO_BUTTON)
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TASKDIALOG_ADD_COMMON_BUTTON(NO);
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if (flags & TDCBF_YES_BUTTON)
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TASKDIALOG_ADD_COMMON_BUTTON(YES);
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if (flags & TDCBF_OK_BUTTON)
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TASKDIALOG_ADD_COMMON_BUTTON(OK);
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/* Always add OK button */
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if (list_empty(&desc->controls))
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TASKDIALOG_ADD_COMMON_BUTTON(OK);
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#undef TASKDIALOG_ADD_COMMON_BUTTON
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/* make room for common buttons row */
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desc->dialog_height += DIALOG_BUTTON_HEIGHT + 2 * DIALOG_SPACING;
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if (flags & TDCBF_OK_BUTTON)
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TASKDIALOG_INIT_COMMON_BUTTON(OK);
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if (flags & TDCBF_YES_BUTTON)
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TASKDIALOG_INIT_COMMON_BUTTON(YES);
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if (flags & TDCBF_NO_BUTTON)
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TASKDIALOG_INIT_COMMON_BUTTON(NO);
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if (flags & TDCBF_RETRY_BUTTON)
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TASKDIALOG_INIT_COMMON_BUTTON(RETRY);
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if (flags & TDCBF_CANCEL_BUTTON)
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TASKDIALOG_INIT_COMMON_BUTTON(CANCEL);
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if (flags & TDCBF_CLOSE_BUTTON)
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TASKDIALOG_INIT_COMMON_BUTTON(CLOSE);
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#undef TASKDIALOG_INIT_COMMON_BUTTON
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}
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static unsigned int taskdialog_add_buttons(struct taskdialog_template_desc *desc)
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{
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unsigned int count = 0, buttons_size, i, line_count, size = 0;
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unsigned int location_x, *line_widths, alignment = ~0u;
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const TASKDIALOGCONFIG *taskconfig = desc->taskconfig;
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struct taskdialog_button_desc *buttons;
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/* Allocate enough memory for the custom and the default buttons. Maximum 6 default buttons possible. */
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buttons_size = 6;
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if (taskconfig->cButtons && taskconfig->pButtons)
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buttons_size += taskconfig->cButtons;
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if (!(buttons = Alloc(buttons_size * sizeof(*buttons))))
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return 0;
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/* Custom buttons */
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if (taskconfig->cButtons && taskconfig->pButtons)
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for (i = 0; i < taskconfig->cButtons; i++)
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taskdialog_init_button(&buttons[count++], desc, taskconfig->pButtons[i].nButtonID,
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taskconfig->pButtons[i].pszButtonText, TRUE);
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/* Common buttons */
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taskdialog_init_common_buttons(desc, buttons, &count);
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/* There must be at least one button */
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if (count == 0)
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taskdialog_init_button(&buttons[count++], desc, IDOK, MAKEINTRESOURCEW(IDS_BUTTON_OK), FALSE);
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/* For easy handling just allocate as many lines as buttons, the worst case. */
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line_widths = Alloc(count * sizeof(*line_widths));
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/* Separate buttons into lines */
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location_x = DIALOG_SPACING;
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for (i = 0, line_count = 0; i < count; i++)
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{
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if (location_x + buttons[i].width + DIALOG_SPACING > desc->dialog_width)
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{
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location_x = DIALOG_SPACING;
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line_count++;
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}
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buttons[i].line = line_count;
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location_x += buttons[i].width + DIALOG_SPACING;
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line_widths[line_count] += buttons[i].width + DIALOG_SPACING;
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}
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line_count++;
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/* Try to balance lines so they are about the same size */
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for (i = 1; i < line_count - 1; i++)
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{
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int diff_now = abs(line_widths[i] - line_widths[i - 1]);
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unsigned int j, last_button = 0;
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int diff_changed;
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for (j = 0; j < count; j++)
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if (buttons[j].line == i - 1)
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last_button = j;
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/* Difference in length of both lines if we wrapped the last button from the last line into this one */
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diff_changed = abs(2 * buttons[last_button].width + line_widths[i] - line_widths[i - 1]);
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if (diff_changed < diff_now)
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{
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buttons[last_button].line = i;
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line_widths[i] += buttons[last_button].width;
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line_widths[i - 1] -= buttons[last_button].width;
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}
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}
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/* Calculate left alignment so all lines are as far right as possible. */
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for (i = 0; i < line_count; i++)
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{
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int new_alignment = desc->dialog_width - line_widths[i];
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if (new_alignment < alignment)
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alignment = new_alignment;
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}
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/* Now that we got them all positioned, create all buttons */
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location_x = alignment;
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for (i = 0; i < count; i++)
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{
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if (i > 0 && buttons[i].line != buttons[i - 1].line) /* New line */
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{
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location_x = alignment;
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desc->dialog_height += DIALOG_BUTTON_HEIGHT + DIALOG_SPACING;
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}
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size += taskdialog_add_control(desc, buttons[i].id, WC_BUTTONW, buttons[i].hinst, buttons[i].text, location_x,
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desc->dialog_height, buttons[i].width, DIALOG_BUTTON_HEIGHT);
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location_x += buttons[i].width + DIALOG_SPACING;
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}
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/* Add height for last row and spacing */
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desc->dialog_height += DIALOG_BUTTON_HEIGHT + DIALOG_SPACING;
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Free(line_widths);
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Free(buttons);
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return size;
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}
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@ -307,7 +442,7 @@ static DLGTEMPLATE *create_taskdialog_template(const TASKDIALOGCONFIG *taskconfi
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size += taskdialog_add_main_instruction(&desc);
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size += taskdialog_add_content(&desc);
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size += taskdialog_add_common_buttons(&desc);
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size += taskdialog_add_buttons(&desc);
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template = Alloc(size);
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if (!template)
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