mirror of https://github.com/OpenTTD/OpenTTD.git
(svn r13052) -Codechange: make a class of the DropdownWindow.
This commit is contained in:
rubidium
parent
4caa813711
commit
5924346697
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@ -56,7 +56,13 @@ static void DeleteDropDownList(DropDownList *list)
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delete list;
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}
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struct dropdown_d {
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static const Widget _dropdown_menu_widgets[] = {
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{ WWT_PANEL, RESIZE_NONE, 0, 0, 0, 0, 0, 0x0, STR_NULL},
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{ WWT_SCROLLBAR, RESIZE_NONE, 0, 0, 0, 0, 0, 0x0, STR_0190_SCROLL_BAR_SCROLLS_LIST},
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{ WIDGETS_END},
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};
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struct DropdownWindow : Window {
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WindowClass parent_wnd_class;
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WindowNumber parent_wnd_num;
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byte parent_button;
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@ -65,160 +71,157 @@ struct dropdown_d {
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byte click_delay;
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bool drag_mode;
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int scrolling;
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};
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assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(dropdown_d));
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static const Widget _dropdown_menu_widgets[] = {
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{ WWT_PANEL, RESIZE_NONE, 0, 0, 0, 0, 0, 0x0, STR_NULL},
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{ WWT_SCROLLBAR, RESIZE_NONE, 0, 0, 0, 0, 0, 0x0, STR_0190_SCROLL_BAR_SCROLLS_LIST},
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{ WIDGETS_END},
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};
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DropdownWindow(int x, int y, int width, int height, const Widget *widget) : Window(x, y, width, height, NULL, WC_DROPDOWN_MENU, widget)
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{
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}
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static int GetDropDownItem(const Window *w)
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{
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if (GetWidgetFromPos(w, _cursor.pos.x - w->left, _cursor.pos.y - w->top) < 0) return -1;
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int y = _cursor.pos.y - w->top - 2;
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int width = w->widget[0].right - 3;
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int pos = w->vscroll.pos;
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const DropDownList *list = WP(w, dropdown_d).list;
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for (DropDownList::const_iterator it = list->begin(); it != list->end(); ++it) {
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/* Skip items that are scrolled up */
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if (--pos >= 0) continue;
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const DropDownListItem *item = *it;
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int item_height = item->Height(width);
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if (y < item_height) {
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if (item->masked || item->String() == STR_NULL) return -1;
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return item->result;
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~DropdownWindow()
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{
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Window *w2 = FindWindowById(this->parent_wnd_class, this->parent_wnd_num);
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if (w2 != NULL) {
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w2->RaiseWidget(this->parent_button);
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w2->InvalidateWidget(this->parent_button);
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}
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y -= item_height;
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DeleteDropDownList(this->list);
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}
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return -1;
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}
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int GetDropDownItem()
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{
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if (GetWidgetFromPos(this, _cursor.pos.x - this->left, _cursor.pos.y - this->top) < 0) return -1;
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static void DropDownMenuWndProc(Window *w, WindowEvent *e)
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{
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switch (e->event) {
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case WE_PAINT: {
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DrawWindowWidgets(w);
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int y = _cursor.pos.y - this->top - 2;
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int width = this->widget[0].right - 3;
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int pos = this->vscroll.pos;
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int x = 1;
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int y = 2;
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const DropDownList *list = this->list;
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int sel = WP(w, dropdown_d).selected_index;
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int width = w->widget[0].right - 3;
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int height = w->widget[0].bottom;
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int pos = w->vscroll.pos;
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for (DropDownList::const_iterator it = list->begin(); it != list->end(); ++it) {
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/* Skip items that are scrolled up */
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if (--pos >= 0) continue;
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DropDownList *list = WP(w, dropdown_d).list;
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const DropDownListItem *item = *it;
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int item_height = item->Height(width);
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for (DropDownList::const_iterator it = list->begin(); it != list->end(); ++it) {
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const DropDownListItem *item = *it;
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int item_height = item->Height(width);
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if (y < item_height) {
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if (item->masked || item->String() == STR_NULL) return -1;
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return item->result;
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}
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/* Skip items that are scrolled up */
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if (--pos >= 0) continue;
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y -= item_height;
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}
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if (y + item_height < height) {
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if (item->String() != STR_NULL) {
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if (sel == item->result) GfxFillRect(x + 1, y, x + width, y + item_height - 1, 0);
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return -1;
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}
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item->Draw(x, y, width, 10, sel == item->result);
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virtual void OnPaint()
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{
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DrawWindowWidgets(this);
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if (item->masked) {
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GfxFillRect(x, y, x + width, y + item_height - 1,
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(1 << PALETTE_MODIFIER_GREYOUT) | _colour_gradient[w->widget[0].color][5]
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);
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}
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} else {
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int c1 = _colour_gradient[w->widget[0].color][3];
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int c2 = _colour_gradient[w->widget[0].color][7];
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int x = 1;
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int y = 2;
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GfxFillRect(x + 1, y + 3, x + w->width - 5, y + 3, c1);
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GfxFillRect(x + 1, y + 4, x + w->width - 5, y + 4, c2);
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int sel = this->selected_index;
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int width = this->widget[0].right - 3;
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int height = this->widget[0].bottom;
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int pos = this->vscroll.pos;
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DropDownList *list = this->list;
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for (DropDownList::const_iterator it = list->begin(); it != list->end(); ++it) {
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const DropDownListItem *item = *it;
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int item_height = item->Height(width);
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/* Skip items that are scrolled up */
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if (--pos >= 0) continue;
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if (y + item_height < height) {
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if (item->String() != STR_NULL) {
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if (sel == item->result) GfxFillRect(x + 1, y, x + width, y + item_height - 1, 0);
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item->Draw(x, y, width, 10, sel == item->result);
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if (item->masked) {
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GfxFillRect(x, y, x + width, y + item_height - 1,
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(1 << PALETTE_MODIFIER_GREYOUT) | _colour_gradient[this->widget[0].color][5]
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);
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}
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}
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y += item_height;
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}
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} break;
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case WE_CLICK: {
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if (e->we.click.widget != 0) break;
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int item = GetDropDownItem(w);
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if (item >= 0) {
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WP(w, dropdown_d).click_delay = 4;
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WP(w, dropdown_d).selected_index = item;
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SetWindowDirty(w);
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}
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} break;
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case WE_TICK:
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if (WP(w, dropdown_d).scrolling == -1) {
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w->vscroll.pos = max(0, w->vscroll.pos - 1);
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SetWindowDirty(w);
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} else if (WP(w, dropdown_d).scrolling == 1) {
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w->vscroll.pos = min(w->vscroll.count - w->vscroll.cap, w->vscroll.pos + 1);
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SetWindowDirty(w);
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}
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WP(w, dropdown_d).scrolling = 0;
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break;
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case WE_MOUSELOOP: {
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Window *w2 = FindWindowById(WP(w, dropdown_d).parent_wnd_class, WP(w,dropdown_d).parent_wnd_num);
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if (w2 == NULL) {
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delete w;
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return;
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}
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if (WP(w, dropdown_d).click_delay != 0 && --WP(w,dropdown_d).click_delay == 0) {
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w2->OnDropdownSelect(WP(w, dropdown_d).parent_button, WP(w, dropdown_d).selected_index);
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delete w;
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return;
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}
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if (WP(w, dropdown_d).drag_mode) {
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int item = GetDropDownItem(w);
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if (!_left_button_clicked) {
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WP(w, dropdown_d).drag_mode = false;
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if (item < 0) return;
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WP(w, dropdown_d).click_delay = 2;
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} else {
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if (_cursor.pos.y <= w->top + 2) {
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/* Cursor is above the list, set scroll up */
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WP(w, dropdown_d).scrolling = -1;
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return;
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} else if (_cursor.pos.y >= w->top + w->height - 2) {
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/* Cursor is below list, set scroll down */
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WP(w, dropdown_d).scrolling = 1;
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return;
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}
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int c1 = _colour_gradient[this->widget[0].color][3];
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int c2 = _colour_gradient[this->widget[0].color][7];
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if (item < 0) return;
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GfxFillRect(x + 1, y + 3, x + this->width - 5, y + 3, c1);
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GfxFillRect(x + 1, y + 4, x + this->width - 5, y + 4, c2);
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}
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}
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y += item_height;
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}
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};
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virtual void OnClick(Point pt, int widget)
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{
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if (widget != 0) return;
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int item = GetDropDownItem();
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if (item >= 0) {
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this->click_delay = 4;
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this->selected_index = item;
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this->SetDirty();
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}
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}
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virtual void OnTick()
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{
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if (this->scrolling == -1) {
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this->vscroll.pos = max(0, this->vscroll.pos - 1);
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this->SetDirty();
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} else if (this->scrolling == 1) {
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this->vscroll.pos = min(this->vscroll.count - this->vscroll.cap, this->vscroll.pos + 1);
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this->SetDirty();
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}
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this->scrolling = 0;
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}
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virtual void OnMouseLoop()
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{
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Window *w2 = FindWindowById(this->parent_wnd_class, this->parent_wnd_num);
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if (w2 == NULL) {
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delete this;
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return;
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}
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if (this->click_delay != 0 && --this->click_delay == 0) {
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w2->OnDropdownSelect(this->parent_button, this->selected_index);
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delete this;
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return;
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}
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if (this->drag_mode) {
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int item = GetDropDownItem();
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if (!_left_button_clicked) {
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this->drag_mode = false;
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if (item < 0) return;
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this->click_delay = 2;
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} else {
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if (_cursor.pos.y <= this->top + 2) {
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/* Cursor is above the list, set scroll up */
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this->scrolling = -1;
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return;
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} else if (_cursor.pos.y >= this->top + this->height - 2) {
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/* Cursor is below list, set scroll down */
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this->scrolling = 1;
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return;
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}
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WP(w, dropdown_d).selected_index = item;
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SetWindowDirty(w);
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}
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} break;
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case WE_DESTROY: {
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Window *w2 = FindWindowById(WP(w, dropdown_d).parent_wnd_class, WP(w,dropdown_d).parent_wnd_num);
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if (w2 != NULL) {
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w2->RaiseWidget(WP(w, dropdown_d).parent_button);
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w2->InvalidateWidget(WP(w, dropdown_d).parent_button);
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if (item < 0) return;
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}
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DeleteDropDownList(WP(w, dropdown_d).list);
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} break;
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this->selected_index = item;
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this->SetDirty();
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}
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}
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}
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};
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void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, uint width)
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{
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@ -278,13 +281,11 @@ void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, u
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if (width == 0) width = wi->right - wi->left + 1;
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Window *dw = new Window(
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DropdownWindow *dw = new DropdownWindow(
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w->left + wi->left,
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top,
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width,
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height + 4,
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DropDownMenuWndProc,
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WC_DROPDOWN_MENU,
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_dropdown_menu_widgets);
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dw->widget[0].color = wi->color;
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@ -310,13 +311,13 @@ void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, u
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dw->desc_flags = WDF_DEF_WIDGET;
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dw->flags4 &= ~WF_WHITE_BORDER_MASK;
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WP(dw, dropdown_d).parent_wnd_class = w->window_class;
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WP(dw, dropdown_d).parent_wnd_num = w->window_number;
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WP(dw, dropdown_d).parent_button = button;
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WP(dw, dropdown_d).list = list;
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WP(dw, dropdown_d).selected_index = selected;
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WP(dw, dropdown_d).click_delay = 0;
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WP(dw, dropdown_d).drag_mode = true;
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dw->parent_wnd_class = w->window_class;
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dw->parent_wnd_num = w->window_number;
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dw->parent_button = button;
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dw->list = list;
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dw->selected_index = selected;
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dw->click_delay = 0;
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dw->drag_mode = true;
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}
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void ShowDropDownMenu(Window *w, const StringID *strings, int selected, int button, uint32 disabled_mask, uint32 hidden_mask, uint width)
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@ -356,9 +357,10 @@ void HideDropDownMenu(Window *pw)
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FOR_ALL_WINDOWS(wz) {
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if ((*wz)->window_class != WC_DROPDOWN_MENU) continue;
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if (pw->window_class == WP(*wz, dropdown_d).parent_wnd_class &&
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pw->window_number == WP(*wz, dropdown_d).parent_wnd_num) {
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delete *wz;
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DropdownWindow *dw = dynamic_cast<DropdownWindow*>(*wz);
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if (pw->window_class == dw->parent_wnd_class &&
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pw->window_number == dw->parent_wnd_num) {
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delete dw;
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break;
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}
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}
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