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(svn r16963) -Codechange: Added NWidgetViewport widget.

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This commit is contained in:
alberth
2009-07-26 17:29:01 +00:00
parent 2dd998ab06
commit 9856cc9d0a
4 changed files with 96 additions and 6 deletions
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69
src/widget.cpp
View File

@@ -6,6 +6,8 @@
#include "company_func.h"
#include "gfx_func.h"
#include "window_gui.h"
#include "viewport_func.h"
#include "zoom_func.h"
#include "debug.h"
#include "strings_func.h"
@@ -1798,6 +1800,65 @@ NWidgetBase *NWidgetBackground::GetWidgetOfType(WidgetType tp)
return nwid;
}
NWidgetViewport::NWidgetViewport(int index) : NWidgetCore(NWID_VIEWPORT, INVALID_COLOUR, true, true, 0x0, STR_NULL)
{
this->SetIndex(index);
}
void NWidgetViewport::SetupSmallestSize(Window *w, bool init_array)
{
if (init_array && this->index >= 0) {
assert(w->nested_array_size > (uint)this->index);
w->nested_array[this->index] = this;
}
this->smallest_x = this->min_x;
this->smallest_y = this->min_y;
}
void NWidgetViewport::StoreWidgets(Widget *widgets, int length, bool left_moving, bool top_moving, bool rtl)
{
NOT_REACHED();
}
void NWidgetViewport::Draw(const Window *w)
{
w->DrawViewport();
}
Scrollbar *NWidgetViewport::FindScrollbar(Window *w, bool allow_next)
{
return NULL;
}
/**
* Initialize the viewport of the window.
* @param w Window owning the viewport.
* @param follow_flags Type of viewport, see #InitializeViewport().
* @param zoom Zoom level.
*/
void NWidgetViewport::InitializeViewport(Window *w, uint32 follow_flags, ZoomLevel zoom)
{
InitializeWindowViewport(w, this->pos_x, this->pos_y, this->current_x, this->current_y, follow_flags, zoom);
}
/**
* Update the position and size of the viewport (after eg a resize).
* @param w Window owning the viewport.
*/
void NWidgetViewport::UpdateViewportCoordinates(Window *w)
{
ViewPort *vp = w->viewport;
if (vp != NULL) {
vp->left = w->left + this->pos_x;
vp->top = w->top + this->pos_y;
vp->width = this->current_x;
vp->height = this->current_y;
vp->virtual_width = ScaleByZoom(vp->width, vp->zoom);
vp->virtual_height = ScaleByZoom(vp->height, vp->zoom);
}
}
/** Reset the cached dimensions. */
/* static */ void NWidgetLeaf::InvalidateDimensionCache()
{
@@ -2401,9 +2462,15 @@ static int MakeNWidget(const NWidgetPart *parts, int count, NWidgetBase **dest,
case WPT_ENDCONTAINER:
return num_used;
case NWID_VIEWPORT:
if (*dest != NULL) return num_used;
*dest = new NWidgetViewport(parts->u.widget.index);
*biggest_index = max(*biggest_index, (int)parts->u.widget.index);
break;
default:
if (*dest != NULL) return num_used;
assert((parts->type & WWT_MASK) < NWID_HORIZONTAL);
assert((parts->type & WWT_MASK) < WWT_LAST);
*dest = new NWidgetLeaf(parts->type, parts->u.widget.colour, parts->u.widget.index, 0x0, STR_NULL);
*biggest_index = max(*biggest_index, (int)parts->u.widget.index);
break;