OpenTTD Source: src/widgets/slider_func.h Source File

OpenTTD Source 14.0-beta3

slider_func.h
1 /*
2 * This file is part of OpenTTD.
3 * 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.
4 * 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.
5 * 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/>.
6 */
7
10 #ifndef WIDGETS_SLIDER_TYPE_H
11 #define WIDGETS_SLIDER_TYPE_H
12
13 #include "../window_type.h"
14 #include "../gfx_func.h"
15
16 void DrawSliderWidget(Rect r, int min_value, int max_value, int value, const std::map<int, StringID> &labels);
17 bool ClickSliderWidget(Rect r, Point pt, int min_value, int max_value, int &value);
18
19 inline bool ClickSliderWidget(Rect r, Point pt, int min_value, int max_value, byte &value)
20 {
21 int tmp_value = value;
22 if (!ClickSliderWidget(r, pt, min_value, max_value, tmp_value)) return false;
23 value = tmp_value;
24 return true;
25 }
26
27 #endif /* WIDGETS_SLIDER_TYPE_H */
DrawSliderWidget
void DrawSliderWidget(Rect r, int min_value, int max_value, int value, const std::map< int, StringID > &labels)
Draw a slider widget with knob at given value.
Definition: slider.cpp:30
Point
Coordinates of a point in 2D.
Definition: geometry_type.hpp:21
ClickSliderWidget
bool ClickSliderWidget(Rect r, Point pt, int min_value, int max_value, int &value)
Handle click on a slider widget to change the value.
Definition: slider.cpp:80
Rect
Specification of a rectangle with absolute coordinates of all edges.
Definition: geometry_type.hpp:75