(svn r17822) -Codechange: move 'extra viewport' code from smallmap_gui.cpp to viewport_gui.cpp

1 files changed, 182 insertions, 0 deletions

diff --git a/src/viewport_gui.cpp b/src/viewport_gui.cpp
new file mode 100644
index 000000000..2d9548363
--- /dev/null
+++ b/src/viewport_gui.cpp
@@ -0,0 +1,182 @@
+/* $Id$ */
+
+/*
+ * This file is part of OpenTTD.
+ * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
+ * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** @file viewport_gui.cpp Extra viewport window. */
+
+#include "stdafx.h"
+#include "landscape.h"
+#include "window_gui.h"
+#include "viewport_func.h"
+#include "gfx_func.h"
+#include "strings_func.h"
+#include "zoom_func.h"
+#include "window_func.h"
+
+#include "table/strings.h"
+#include "table/sprites.h"
+
+/** Widget numbers of the extra viewport window. */
+enum ExtraViewportWindowWidgets {
+	EVW_CLOSE,
+	EVW_CAPTION,
+	EVW_STICKY,
+	EVW_BACKGROUND,
+	EVW_VIEWPORT,
+	EVW_ZOOMIN,
+	EVW_ZOOMOUT,
+	EVW_MAIN_TO_VIEW,
+	EVW_VIEW_TO_MAIN,
+	EVW_SPACER,
+	EVW_RESIZE,
+};
+
+/* Extra ViewPort Window Stuff */
+static const NWidgetPart _nested_extra_view_port_widgets[] = {
+	NWidget(NWID_HORIZONTAL),
+		NWidget(WWT_CLOSEBOX, COLOUR_GREY, EVW_CLOSE),
+		NWidget(WWT_CAPTION, COLOUR_GREY, EVW_CAPTION), SetDataTip(STR_EXTRA_VIEW_PORT_TITLE, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
+		NWidget(WWT_STICKYBOX, COLOUR_GREY, EVW_STICKY),
+	EndContainer(),
+	NWidget(WWT_PANEL, COLOUR_GREY, EVW_BACKGROUND),
+		NWidget(NWID_VIEWPORT, INVALID_COLOUR, EVW_VIEWPORT), SetPadding(2, 2, 2, 2), SetResize(1, 1), SetFill(true, true),
+	EndContainer(),
+	NWidget(NWID_HORIZONTAL),
+		NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, EVW_ZOOMIN), SetDataTip(SPR_IMG_ZOOMIN, STR_TOOLBAR_TOOLTIP_ZOOM_THE_VIEW_IN),
+		NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, EVW_ZOOMOUT), SetDataTip(SPR_IMG_ZOOMOUT, STR_TOOLBAR_TOOLTIP_ZOOM_THE_VIEW_OUT),
+		NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
+			NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, EVW_MAIN_TO_VIEW), SetFill(true, true), SetResize(1, 0),
+										SetDataTip(STR_EXTRA_VIEW_MOVE_MAIN_TO_VIEW, STR_EXTRA_VIEW_MOVE_MAIN_TO_VIEW_TT),
+			NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, EVW_VIEW_TO_MAIN), SetFill(true, true), SetResize(1, 0),
+										SetDataTip(STR_EXTRA_VIEW_MOVE_VIEW_TO_MAIN, STR_EXTRA_VIEW_MOVE_VIEW_TO_MAIN_TT),
+		EndContainer(),
+	EndContainer(),
+	NWidget(NWID_HORIZONTAL),
+		NWidget(WWT_PANEL, COLOUR_GREY, EVW_SPACER), SetFill(true, true), SetResize(1, 0), EndContainer(),
+		NWidget(WWT_RESIZEBOX, COLOUR_GREY, EVW_RESIZE),
+	EndContainer(),
+};
+
+class ExtraViewportWindow : public Window {
+public:
+	ExtraViewportWindow(const WindowDesc *desc, int window_number, TileIndex tile) : Window()
+	{
+		this->InitNested(desc, window_number);
+
+		NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(EVW_VIEWPORT);
+		nvp->InitializeViewport(this, 0, ZOOM_LVL_NORMAL);
+		this->DisableWidget(EVW_ZOOMIN);
+
+		Point pt;
+		if (tile == INVALID_TILE) {
+			/* the main window with the main view */
+			const Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
+
+			/* center on same place as main window (zoom is maximum, no adjustment needed) */
+			pt.x = w->viewport->scrollpos_x + w->viewport->virtual_height / 2;
+			pt.y = w->viewport->scrollpos_y + w->viewport->virtual_height / 2;
+		} else {
+			pt = RemapCoords(TileX(tile) * TILE_SIZE + TILE_SIZE / 2, TileY(tile) * TILE_SIZE + TILE_SIZE / 2, TileHeight(tile));
+		}
+
+		this->viewport->scrollpos_x = pt.x - (nvp->pos_x - ((nvp->current_x - 1) / 2));
+		this->viewport->scrollpos_y = pt.y - (nvp->pos_y - ((nvp->current_y - 1) / 2));
+		this->viewport->dest_scrollpos_x = this->viewport->scrollpos_x;
+		this->viewport->dest_scrollpos_y = this->viewport->scrollpos_y;
+	}
+
+	virtual void SetStringParameters(int widget) const
+	{
+		switch (widget) {
+			case EVW_CAPTION:
+				/* set the number in the title bar */
+				SetDParam(0, this->window_number + 1);
+				break;
+		}
+	}
+
+	virtual void OnPaint()
+	{
+		this->DrawWidgets();
+	}
+
+	virtual void OnClick(Point pt, int widget)
+	{
+		switch (widget) {
+			case EVW_ZOOMIN: DoZoomInOutWindow(ZOOM_IN,  this); break;
+			case EVW_ZOOMOUT: DoZoomInOutWindow(ZOOM_OUT, this); break;
+
+			case EVW_MAIN_TO_VIEW: { // location button (move main view to same spot as this view) 'Paste Location'
+				Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
+				int x = this->viewport->scrollpos_x; // Where is the main looking at
+				int y = this->viewport->scrollpos_y;
+
+				/* set this view to same location. Based on the center, adjusting for zoom */
+				w->viewport->dest_scrollpos_x =  x - (w->viewport->virtual_width -  this->viewport->virtual_width) / 2;
+				w->viewport->dest_scrollpos_y =  y - (w->viewport->virtual_height - this->viewport->virtual_height) / 2;
+				w->viewport->follow_vehicle   = INVALID_VEHICLE;
+			} break;
+
+			case EVW_VIEW_TO_MAIN: { // inverse location button (move this view to same spot as main view) 'Copy Location'
+				const Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
+				int x = w->viewport->scrollpos_x;
+				int y = w->viewport->scrollpos_y;
+
+				this->viewport->dest_scrollpos_x =  x + (w->viewport->virtual_width -  this->viewport->virtual_width) / 2;
+				this->viewport->dest_scrollpos_y =  y + (w->viewport->virtual_height - this->viewport->virtual_height) / 2;
+			} break;
+		}
+	}
+
+	virtual void OnResize(Point delta)
+	{
+		if (this->viewport != NULL) {
+			NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(EVW_VIEWPORT);
+			nvp->UpdateViewportCoordinates(this);
+		}
+	}
+
+	virtual void OnScroll(Point delta)
+	{
+		const ViewPort *vp = IsPtInWindowViewport(this, _cursor.pos.x, _cursor.pos.y);
+		if (vp == NULL) return;
+
+		this->viewport->scrollpos_x += ScaleByZoom(delta.x, vp->zoom);
+		this->viewport->scrollpos_y += ScaleByZoom(delta.y, vp->zoom);
+		this->viewport->dest_scrollpos_x = this->viewport->scrollpos_x;
+		this->viewport->dest_scrollpos_y = this->viewport->scrollpos_y;
+	}
+
+	virtual void OnMouseWheel(int wheel)
+	{
+		ZoomInOrOutToCursorWindow(wheel < 0, this);
+	}
+
+	virtual void OnInvalidateData(int data = 0)
+	{
+		/* Only handle zoom message if intended for us (msg ZOOM_IN/ZOOM_OUT) */
+		HandleZoomMessage(this, this->viewport, EVW_ZOOMIN, EVW_ZOOMOUT);
+	}
+};
+
+static const WindowDesc _extra_view_port_desc(
+	WDP_AUTO, WDP_AUTO, 300, 68, 300, 268,
+	WC_EXTRA_VIEW_PORT, WC_NONE,
+	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON | WDF_RESIZABLE,
+	NULL, _nested_extra_view_port_widgets, lengthof(_nested_extra_view_port_widgets)
+);
+
+void ShowExtraViewPortWindow(TileIndex tile)
+{
+	int i = 0;
+
+	/* find next free window number for extra viewport */
+	while (FindWindowById(WC_EXTRA_VIEW_PORT, i) != NULL) i++;
+
+	new ExtraViewportWindow(&_extra_view_port_desc, i, tile);
+}