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(svn r23253) -Fix: Several clipping issues with the display of textfiles, esp. with RTL text direction.

This commit is contained in:
frosch 2011-11-18 20:39:40 +00:00
parent ca4f0509fc
commit 100971630d
1 changed files with 13 additions and 5 deletions
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18
src/newgrf_gui.cpp
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@ -524,14 +524,22 @@ struct NewGRFTextfileWindow : public Window {
{
if (widget != GTW_WIDGET_BACKGROUND) return;
DrawPixelInfo new_dpi;
if (!FillDrawPixelInfo(&new_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) return;
int width = r.right - r.left + 1 - WD_BEVEL_LEFT - WD_BEVEL_RIGHT;
int height = r.bottom - r.top + 1 - WD_BEVEL_LEFT - WD_BEVEL_RIGHT;
DrawPixelInfo new_dpi;
if (!FillDrawPixelInfo(&new_dpi, r.left + WD_BEVEL_LEFT, r.top, width, height)) return;
DrawPixelInfo *old_dpi = _cur_dpi;
_cur_dpi = &new_dpi;
int left = WD_FRAMETEXT_LEFT - this->hscroll->GetPosition();
int right = r.right - r.left - WD_FRAMETEXT_LEFT - WD_FRAMETEXT_RIGHT;
int left, right;
if (_current_text_dir == TD_RTL) {
left = width + WD_BEVEL_RIGHT - WD_FRAMETEXT_RIGHT - this->hscroll->GetCount();
right = width + WD_BEVEL_RIGHT - WD_FRAMETEXT_RIGHT - 1 + this->hscroll->GetPosition();
} else {
left = WD_FRAMETEXT_LEFT - WD_BEVEL_LEFT - this->hscroll->GetPosition();
right = WD_FRAMETEXT_LEFT - WD_BEVEL_LEFT + this->hscroll->GetCount() - 1;
}
int top = TOP_SPACING;
for (uint i = 0; i < this->vscroll->GetCapacity() && i + this->vscroll->GetPosition() < this->lines.Length(); i++) {
DrawString(left, right, top + i * this->line_height, this->lines[i + this->vscroll->GetPosition()], TC_WHITE);
@ -542,7 +550,7 @@ struct NewGRFTextfileWindow : public Window {
virtual void OnResize()
{
this->vscroll->SetCapacityFromWidget(this, GTW_WIDGET_BACKGROUND, this->line_height);
this->vscroll->SetCapacityFromWidget(this, GTW_WIDGET_BACKGROUND, TOP_SPACING + BOTTOM_SPACING);
this->hscroll->SetCapacityFromWidget(this, GTW_WIDGET_BACKGROUND);
}