File diff r18406:ba2bbd601cc7 → r18407:19e3cae147c4
src/newgrf_gui.cpp
Show inline comments
 
@@ -503,67 +503,75 @@ struct NewGRFTextfileWindow : public Win
 
	}
 

	
 
	virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
 
	{
 
		switch (widget) {
 
			case GTW_WIDGET_BACKGROUND:
 
				this->line_height = FONT_HEIGHT_NORMAL + 2;
 
				resize->height = this->line_height;
 

	
 
				size->height = 4 * resize->height + TOP_SPACING + BOTTOM_SPACING; // At least 4 lines are visible.
 
				size->width = max(200u, size->width); // At least 200 pixels wide.
 
				break;
 
		}
 
	}
 

	
 
	virtual void SetStringParameters(int widget) const
 
	{
 
		if (widget == GTW_WIDGET_CAPTION) SetDParamStr(0, this->grf_config->GetName());
 
	}
 

	
 
	virtual void DrawWidget(const Rect &r, int widget) const
 
	{
 
		if (widget != GTW_WIDGET_BACKGROUND) 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, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) return;
 

	
 
		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);
 
		}
 

	
 
		_cur_dpi = old_dpi;
 
	}
 

	
 
	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);
 
	}
 

	
 
private:
 

	
 
	/**
 
	 * Load the NewGRF's textfile text from file, and setup #lines, #max_length, and both scrollbars.
 
	 */
 
	void LoadTextfile()
 
	{
 
		this->lines.Clear();
 

	
 
		/* Does GRF have a file of the demanded type? */
 
		const char *textfile = this->grf_config->GetTextfile(file_type);
 
		if (textfile == NULL) return;
 

	
 
		/* Get text from file */
 
		size_t filesize;
 
		FILE *handle = FioFOpenFile(textfile, "rb", NEWGRF_DIR, &filesize);
 
		if (handle == NULL) return;
 

	
 
		this->text = ReallocT(this->text, filesize + 1);
 
		size_t read = fread(this->text, 1, filesize, handle);
 
		fclose(handle);