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(svn r13052) -Codechange: make a class of the DropdownWindow.

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rubidium 2008-05-11 18:18:18 +00:00
parent 4caa813711
commit 5924346697
1 changed files with 146 additions and 144 deletions
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290
src/widgets/dropdown.cpp
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@ -56,7 +56,13 @@ static void DeleteDropDownList(DropDownList *list)
delete list; delete list;
} }
struct dropdown_d { static const Widget _dropdown_menu_widgets[] = {
{ WWT_PANEL, RESIZE_NONE, 0, 0, 0, 0, 0, 0x0, STR_NULL},
{ WWT_SCROLLBAR, RESIZE_NONE, 0, 0, 0, 0, 0, 0x0, STR_0190_SCROLL_BAR_SCROLLS_LIST},
{ WIDGETS_END},
};
struct DropdownWindow : Window {
WindowClass parent_wnd_class; WindowClass parent_wnd_class;
WindowNumber parent_wnd_num; WindowNumber parent_wnd_num;
byte parent_button; byte parent_button;
@ -65,160 +71,157 @@ struct dropdown_d {
byte click_delay; byte click_delay;
bool drag_mode; bool drag_mode;
int scrolling; int scrolling;
};
assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(dropdown_d));
static const Widget _dropdown_menu_widgets[] = { DropdownWindow(int x, int y, int width, int height, const Widget *widget) : Window(x, y, width, height, NULL, WC_DROPDOWN_MENU, widget)
{ WWT_PANEL, RESIZE_NONE, 0, 0, 0, 0, 0, 0x0, STR_NULL}, {
{ WWT_SCROLLBAR, RESIZE_NONE, 0, 0, 0, 0, 0, 0x0, STR_0190_SCROLL_BAR_SCROLLS_LIST}, }
{ WIDGETS_END},
};
static int GetDropDownItem(const Window *w) ~DropdownWindow()
{ {
if (GetWidgetFromPos(w, _cursor.pos.x - w->left, _cursor.pos.y - w->top) < 0) return -1; Window *w2 = FindWindowById(this->parent_wnd_class, this->parent_wnd_num);
if (w2 != NULL) {
int y = _cursor.pos.y - w->top - 2; w2->RaiseWidget(this->parent_button);
int width = w->widget[0].right - 3; w2->InvalidateWidget(this->parent_button);
int pos = w->vscroll.pos;
const DropDownList *list = WP(w, dropdown_d).list;
for (DropDownList::const_iterator it = list->begin(); it != list->end(); ++it) {
/* Skip items that are scrolled up */
if (--pos >= 0) continue;
const DropDownListItem *item = *it;
int item_height = item->Height(width);
if (y < item_height) {
if (item->masked || item->String() == STR_NULL) return -1;
return item->result;
} }
y -= item_height; DeleteDropDownList(this->list);
} }
return -1; int GetDropDownItem()
} {
if (GetWidgetFromPos(this, _cursor.pos.x - this->left, _cursor.pos.y - this->top) < 0) return -1;
static void DropDownMenuWndProc(Window *w, WindowEvent *e) int y = _cursor.pos.y - this->top - 2;
{ int width = this->widget[0].right - 3;
switch (e->event) { int pos = this->vscroll.pos;
case WE_PAINT: {
DrawWindowWidgets(w);
int x = 1; const DropDownList *list = this->list;
int y = 2;
int sel = WP(w, dropdown_d).selected_index; for (DropDownList::const_iterator it = list->begin(); it != list->end(); ++it) {
int width = w->widget[0].right - 3; /* Skip items that are scrolled up */
int height = w->widget[0].bottom; if (--pos >= 0) continue;
int pos = w->vscroll.pos;
DropDownList *list = WP(w, dropdown_d).list; const DropDownListItem *item = *it;
int item_height = item->Height(width);
for (DropDownList::const_iterator it = list->begin(); it != list->end(); ++it) { if (y < item_height) {
const DropDownListItem *item = *it; if (item->masked || item->String() == STR_NULL) return -1;
int item_height = item->Height(width); return item->result;
}
/* Skip items that are scrolled up */ y -= item_height;
if (--pos >= 0) continue; }
if (y + item_height < height) { return -1;
if (item->String() != STR_NULL) { }
if (sel == item->result) GfxFillRect(x + 1, y, x + width, y + item_height - 1, 0);
item->Draw(x, y, width, 10, sel == item->result); virtual void OnPaint()
{
DrawWindowWidgets(this);
if (item->masked) { int x = 1;
GfxFillRect(x, y, x + width, y + item_height - 1, int y = 2;
(1 << PALETTE_MODIFIER_GREYOUT) | _colour_gradient[w->widget[0].color][5]
);
}
} else {
int c1 = _colour_gradient[w->widget[0].color][3];
int c2 = _colour_gradient[w->widget[0].color][7];
GfxFillRect(x + 1, y + 3, x + w->width - 5, y + 3, c1); int sel = this->selected_index;
GfxFillRect(x + 1, y + 4, x + w->width - 5, y + 4, c2); int width = this->widget[0].right - 3;
int height = this->widget[0].bottom;
int pos = this->vscroll.pos;
DropDownList *list = this->list;
for (DropDownList::const_iterator it = list->begin(); it != list->end(); ++it) {
const DropDownListItem *item = *it;
int item_height = item->Height(width);
/* Skip items that are scrolled up */
if (--pos >= 0) continue;
if (y + item_height < height) {
if (item->String() != STR_NULL) {
if (sel == item->result) GfxFillRect(x + 1, y, x + width, y + item_height - 1, 0);
item->Draw(x, y, width, 10, sel == item->result);
if (item->masked) {
GfxFillRect(x, y, x + width, y + item_height - 1,
(1 << PALETTE_MODIFIER_GREYOUT) | _colour_gradient[this->widget[0].color][5]
);
} }
}
y += item_height;
}
} break;
case WE_CLICK: {
if (e->we.click.widget != 0) break;
int item = GetDropDownItem(w);
if (item >= 0) {
WP(w, dropdown_d).click_delay = 4;
WP(w, dropdown_d).selected_index = item;
SetWindowDirty(w);
}
} break;
case WE_TICK:
if (WP(w, dropdown_d).scrolling == -1) {
w->vscroll.pos = max(0, w->vscroll.pos - 1);
SetWindowDirty(w);
} else if (WP(w, dropdown_d).scrolling == 1) {
w->vscroll.pos = min(w->vscroll.count - w->vscroll.cap, w->vscroll.pos + 1);
SetWindowDirty(w);
}
WP(w, dropdown_d).scrolling = 0;
break;
case WE_MOUSELOOP: {
Window *w2 = FindWindowById(WP(w, dropdown_d).parent_wnd_class, WP(w,dropdown_d).parent_wnd_num);
if (w2 == NULL) {
delete w;
return;
}
if (WP(w, dropdown_d).click_delay != 0 && --WP(w,dropdown_d).click_delay == 0) {
w2->OnDropdownSelect(WP(w, dropdown_d).parent_button, WP(w, dropdown_d).selected_index);
delete w;
return;
}
if (WP(w, dropdown_d).drag_mode) {
int item = GetDropDownItem(w);
if (!_left_button_clicked) {
WP(w, dropdown_d).drag_mode = false;
if (item < 0) return;
WP(w, dropdown_d).click_delay = 2;
} else { } else {
if (_cursor.pos.y <= w->top + 2) { int c1 = _colour_gradient[this->widget[0].color][3];
/* Cursor is above the list, set scroll up */ int c2 = _colour_gradient[this->widget[0].color][7];
WP(w, dropdown_d).scrolling = -1;
return;
} else if (_cursor.pos.y >= w->top + w->height - 2) {
/* Cursor is below list, set scroll down */
WP(w, dropdown_d).scrolling = 1;
return;
}
if (item < 0) return; GfxFillRect(x + 1, y + 3, x + this->width - 5, y + 3, c1);
GfxFillRect(x + 1, y + 4, x + this->width - 5, y + 4, c2);
}
}
y += item_height;
}
};
virtual void OnClick(Point pt, int widget)
{
if (widget != 0) return;
int item = GetDropDownItem();
if (item >= 0) {
this->click_delay = 4;
this->selected_index = item;
this->SetDirty();
}
}
virtual void OnTick()
{
if (this->scrolling == -1) {
this->vscroll.pos = max(0, this->vscroll.pos - 1);
this->SetDirty();
} else if (this->scrolling == 1) {
this->vscroll.pos = min(this->vscroll.count - this->vscroll.cap, this->vscroll.pos + 1);
this->SetDirty();
}
this->scrolling = 0;
}
virtual void OnMouseLoop()
{
Window *w2 = FindWindowById(this->parent_wnd_class, this->parent_wnd_num);
if (w2 == NULL) {
delete this;
return;
}
if (this->click_delay != 0 && --this->click_delay == 0) {
w2->OnDropdownSelect(this->parent_button, this->selected_index);
delete this;
return;
}
if (this->drag_mode) {
int item = GetDropDownItem();
if (!_left_button_clicked) {
this->drag_mode = false;
if (item < 0) return;
this->click_delay = 2;
} else {
if (_cursor.pos.y <= this->top + 2) {
/* Cursor is above the list, set scroll up */
this->scrolling = -1;
return;
} else if (_cursor.pos.y >= this->top + this->height - 2) {
/* Cursor is below list, set scroll down */
this->scrolling = 1;
return;
} }
WP(w, dropdown_d).selected_index = item; if (item < 0) return;
SetWindowDirty(w);
}
} break;
case WE_DESTROY: {
Window *w2 = FindWindowById(WP(w, dropdown_d).parent_wnd_class, WP(w,dropdown_d).parent_wnd_num);
if (w2 != NULL) {
w2->RaiseWidget(WP(w, dropdown_d).parent_button);
w2->InvalidateWidget(WP(w, dropdown_d).parent_button);
} }
DeleteDropDownList(WP(w, dropdown_d).list); this->selected_index = item;
} break; this->SetDirty();
}
} }
} };
void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, uint width) void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, uint width)
{ {
@ -278,13 +281,11 @@ void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, u
if (width == 0) width = wi->right - wi->left + 1; if (width == 0) width = wi->right - wi->left + 1;
Window *dw = new Window( DropdownWindow *dw = new DropdownWindow(
w->left + wi->left, w->left + wi->left,
top, top,
width, width,
height + 4, height + 4,
DropDownMenuWndProc,
WC_DROPDOWN_MENU,
_dropdown_menu_widgets); _dropdown_menu_widgets);
dw->widget[0].color = wi->color; dw->widget[0].color = wi->color;
@ -310,13 +311,13 @@ void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, u
dw->desc_flags = WDF_DEF_WIDGET; dw->desc_flags = WDF_DEF_WIDGET;
dw->flags4 &= ~WF_WHITE_BORDER_MASK; dw->flags4 &= ~WF_WHITE_BORDER_MASK;
WP(dw, dropdown_d).parent_wnd_class = w->window_class; dw->parent_wnd_class = w->window_class;
WP(dw, dropdown_d).parent_wnd_num = w->window_number; dw->parent_wnd_num = w->window_number;
WP(dw, dropdown_d).parent_button = button; dw->parent_button = button;
WP(dw, dropdown_d).list = list; dw->list = list;
WP(dw, dropdown_d).selected_index = selected; dw->selected_index = selected;
WP(dw, dropdown_d).click_delay = 0; dw->click_delay = 0;
WP(dw, dropdown_d).drag_mode = true; dw->drag_mode = true;
} }
void ShowDropDownMenu(Window *w, const StringID *strings, int selected, int button, uint32 disabled_mask, uint32 hidden_mask, uint width) void ShowDropDownMenu(Window *w, const StringID *strings, int selected, int button, uint32 disabled_mask, uint32 hidden_mask, uint width)
@ -356,9 +357,10 @@ void HideDropDownMenu(Window *pw)
FOR_ALL_WINDOWS(wz) { FOR_ALL_WINDOWS(wz) {
if ((*wz)->window_class != WC_DROPDOWN_MENU) continue; if ((*wz)->window_class != WC_DROPDOWN_MENU) continue;
if (pw->window_class == WP(*wz, dropdown_d).parent_wnd_class && DropdownWindow *dw = dynamic_cast<DropdownWindow*>(*wz);
pw->window_number == WP(*wz, dropdown_d).parent_wnd_num) { if (pw->window_class == dw->parent_wnd_class &&
delete *wz; pw->window_number == dw->parent_wnd_num) {
delete dw;
break; break;
} }
} }