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(svn r20459) -Codechange: Remove the Scrollbar members of Window and make NWidgetScrollbar inherit from Scrollbar instead.

release/1.1
frosch 2010-08-12 09:13:04 +00:00
parent 55bd5de43d
commit 6e9c9c28d9
4 changed files with 9 additions and 35 deletions
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30
src/widget.cpp
View File

@ -75,7 +75,7 @@ static void ScrollbarClickPositioning(Window *w, NWidgetScrollbar *nw, int x, in
{
int pos;
bool rtl = false;
Scrollbar *sb = nw->GetScrollbar(w);
Scrollbar *sb = nw;
switch (nw->type) {
case WWT_SCROLLBAR:
@ -1670,7 +1670,7 @@ void Scrollbar::SetCapacityFromWidget(Window *w, int widget, int padding)
* @param colour Colour of the scrollbar.
* @param index Index in the widget array used by the window system.
*/
NWidgetScrollbar::NWidgetScrollbar(WidgetType tp, Colours colour, int index) : NWidgetCore(tp, colour, 1, 1, 0x0, STR_NULL)
NWidgetScrollbar::NWidgetScrollbar(WidgetType tp, Colours colour, int index) : NWidgetCore(tp, colour, 1, 1, 0x0, STR_NULL), Scrollbar(tp != WWT_HSCROLLBAR)
{
assert(tp == WWT_HSCROLLBAR || tp == WWT_SCROLLBAR || tp == WWT_SCROLL2BAR);
this->SetIndex(index);
@ -1722,21 +1722,21 @@ void NWidgetScrollbar::Draw(const Window *w)
case WWT_HSCROLLBAR:
DrawHorizontalScrollbar(r, this->colour, (w->flags4 & (WF_SCROLL_UP | WF_HSCROLL)) == (WF_SCROLL_UP | WF_HSCROLL),
w->scrolling_scrollbar == this->index,
(w->flags4 & (WF_SCROLL_DOWN | WF_HSCROLL)) == (WF_SCROLL_DOWN | WF_HSCROLL), this->GetScrollbar(w));
(w->flags4 & (WF_SCROLL_DOWN | WF_HSCROLL)) == (WF_SCROLL_DOWN | WF_HSCROLL), this);
break;
case WWT_SCROLLBAR:
assert(this->widget_data == 0);
DrawVerticalScrollbar(r, this->colour, (w->flags4 & (WF_SCROLL_UP | WF_HSCROLL | WF_SCROLL2)) == WF_SCROLL_UP,
w->scrolling_scrollbar == this->index,
(w->flags4 & (WF_SCROLL_DOWN | WF_HSCROLL | WF_SCROLL2)) == WF_SCROLL_DOWN, this->GetScrollbar(w));
(w->flags4 & (WF_SCROLL_DOWN | WF_HSCROLL | WF_SCROLL2)) == WF_SCROLL_DOWN, this);
break;
case WWT_SCROLL2BAR:
assert(this->widget_data == 0);
DrawVerticalScrollbar(r, this->colour, (w->flags4 & (WF_SCROLL_UP | WF_HSCROLL | WF_SCROLL2)) == (WF_SCROLL_UP | WF_SCROLL2),
w->scrolling_scrollbar == this->index,
(w->flags4 & (WF_SCROLL_DOWN | WF_HSCROLL | WF_SCROLL2)) == (WF_SCROLL_DOWN | WF_SCROLL2), this->GetScrollbar(w));
(w->flags4 & (WF_SCROLL_DOWN | WF_HSCROLL | WF_SCROLL2)) == (WF_SCROLL_DOWN | WF_SCROLL2), this);
break;
default: NOT_REACHED();
@ -1747,26 +1747,6 @@ void NWidgetScrollbar::Draw(const Window *w)
}
}
const Scrollbar *NWidgetScrollbar::GetScrollbar(const Window *w) const
{
switch (this->type) {
case WWT_HSCROLLBAR: return &w->old_hscroll;
case WWT_SCROLLBAR: return &w->old_vscroll;
case WWT_SCROLL2BAR: return &w->old_vscroll2;
default: NOT_REACHED();
}
}
Scrollbar *NWidgetScrollbar::GetScrollbar(Window *w) const
{
switch (this->type) {
case WWT_HSCROLLBAR: return &w->old_hscroll;
case WWT_SCROLLBAR: return &w->old_vscroll;
case WWT_SCROLL2BAR: return &w->old_vscroll2;
default: NOT_REACHED();
}
}
/** Reset the cached dimensions. */
/* static */ void NWidgetLeaf::InvalidateDimensionCache()
{

5
src/widget_type.h
View File

@ -632,15 +632,12 @@ public:
* Also assign the scrollbar to other widgets using #SetScrollbar() to make the mousewheel work.
* @ingroup NestedWidgets
*/
class NWidgetScrollbar : public NWidgetCore {
class NWidgetScrollbar : public NWidgetCore, public Scrollbar {
public:
NWidgetScrollbar(WidgetType tp, Colours colour, int index);
/* virtual */ void SetupSmallestSize(Window *w, bool init_array);
/* virtual */ void Draw(const Window *w);
const Scrollbar *GetScrollbar(const Window *w) const;
Scrollbar *GetScrollbar(Window *w) const;
};
/**

6
src/window.cpp
View File

@ -104,7 +104,7 @@ int Window::GetRowFromWidget(int clickpos, int widget, int padding, int line_hei
*/
const Scrollbar *Window::GetScrollbar(uint widnum) const
{
return this->GetWidget<NWidgetScrollbar>(widnum)->GetScrollbar(this);
return this->GetWidget<NWidgetScrollbar>(widnum);
}
/**
@ -114,7 +114,7 @@ const Scrollbar *Window::GetScrollbar(uint widnum) const
*/
Scrollbar *Window::GetScrollbar(uint widnum)
{
return this->GetWidget<NWidgetScrollbar>(widnum)->GetScrollbar(this);
return this->GetWidget<NWidgetScrollbar>(widnum);
}
@ -1304,7 +1304,7 @@ void Window::InitNested(const WindowDesc *desc, WindowNumber window_number)
}
/** Empty constructor, initialization has been moved to #InitNested() called from the constructor of the derived class. */
Window::Window() : old_hscroll(false), old_vscroll(true), old_vscroll2(true), scrolling_scrollbar(-1)
Window::Window() : scrolling_scrollbar(-1)
{
}

3
src/window_gui.h
View File

@ -256,9 +256,6 @@ public:
int width; ///< width of the window (number of pixels to the right in x direction)
int height; ///< Height of the window (number of pixels down in y direction)
Scrollbar old_hscroll; ///< Horizontal scroll bar
Scrollbar old_vscroll; ///< First vertical scroll bar
Scrollbar old_vscroll2; ///< Second vertical scroll bar
ResizeInfo resize; ///< Resize information
Owner owner; ///< The owner of the content shown in this window. Company colour is acquired from this variable.