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Location: cpp/openttd-patchpack/source/src/widgets/slider.cpp - annotation
r28035:f86971abe639
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Update: Translations from eints
english (au): 3 changes by krysclarke
russian: 3 changes by Ln-Wolf
finnish: 3 changes by hpiirai
turkish: 4 changes by BeratSJ
french: 3 changes by ottdfevr
portuguese: 3 changes by azulcosta
portuguese (brazilian): 3 changes by pasantoro
english (au): 3 changes by krysclarke
russian: 3 changes by Ln-Wolf
finnish: 3 changes by hpiirai
turkish: 4 changes by BeratSJ
french: 3 changes by ottdfevr
portuguese: 3 changes by azulcosta
portuguese (brazilian): 3 changes by pasantoro
r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r25404:47718855e263 r25139:87bde218e763 r25139:87bde218e763 r26569:da1cb4432bd8 r26570:e093668ba4f1 r26570:e093668ba4f1 r26570:e093668ba4f1 r25139:87bde218e763 r26573:6582b7725071 r25139:87bde218e763 r26573:6582b7725071 r25139:87bde218e763 r26573:6582b7725071 r28026:b046b2f1f539 r26573:6582b7725071 r26570:e093668ba4f1 r26570:e093668ba4f1 r26569:da1cb4432bd8 r25139:87bde218e763 r26573:6582b7725071 r26571:1907eabbde9e r26572:221049074e40 r26572:221049074e40 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r26571:1907eabbde9e r26571:1907eabbde9e r26571:1907eabbde9e r25139:87bde218e763 r26573:6582b7725071 r26573:6582b7725071 r26573:6582b7725071 r26573:6582b7725071 r26573:6582b7725071 r26573:6582b7725071 r26573:6582b7725071 r26573:6582b7725071 r26573:6582b7725071 r26573:6582b7725071 r26573:6582b7725071 r26573:6582b7725071 r26573:6582b7725071 r26569:da1cb4432bd8 r26595:bfb1855e7b3b r26570:e093668ba4f1 r26595:bfb1855e7b3b r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r26569:da1cb4432bd8 r25139:87bde218e763 r25139:87bde218e763 r26569:da1cb4432bd8 r26569:da1cb4432bd8 r25139:87bde218e763 r26570:e093668ba4f1 r25139:87bde218e763 r26570:e093668ba4f1 r26570:e093668ba4f1 r25404:47718855e263 r26570:e093668ba4f1 r26570:e093668ba4f1 r26570:e093668ba4f1 r25139:87bde218e763 r26569:da1cb4432bd8 r26569:da1cb4432bd8 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 r25139:87bde218e763 | /*
* 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 slider.cpp Implementation of the horizontal slider widget. */
#include "../stdafx.h"
#include "../window_gui.h"
#include "../window_func.h"
#include "../strings_func.h"
#include "../zoom_func.h"
#include "slider_func.h"
#include "../safeguards.h"
static const int SLIDER_WIDTH = 3;
/**
* Draw a slider widget with knob at given value
* @param r Rectangle to draw the widget in
* @param min_value Minimum value of slider
* @param max_value Maximum value of slider
* @param value Value to put the slider at
* @param labels List of positions and labels to draw along the slider.
*/
void DrawSliderWidget(Rect r, int min_value, int max_value, int value, const std::map<int, StringID> &labels)
{
/* Allow space for labels. We assume they are in the small font. */
if (!labels.empty()) r.bottom -= FONT_HEIGHT_SMALL + WidgetDimensions::scaled.hsep_normal;
max_value -= min_value;
/* Draw a wedge indicating low to high value. */
const int ha = (r.bottom - r.top) / 5;
const int sw = ScaleGUITrad(SLIDER_WIDTH);
const int t = WidgetDimensions::scaled.bevel.top; /* Thickness of lines */
int wx1 = r.left + sw / 2;
int wx2 = r.right - sw / 2;
if (_current_text_dir == TD_RTL) std::swap(wx1, wx2);
const uint shadow = _colour_gradient[COLOUR_GREY][3];
const uint fill = _colour_gradient[COLOUR_GREY][6];
const uint light = _colour_gradient[COLOUR_GREY][7];
const std::vector<Point> wedge{ Point{wx1, r.bottom - ha}, Point{wx2, r.top + ha}, Point{wx2, r.bottom - ha} };
GfxFillPolygon(wedge, fill);
GfxDrawLine(wedge[0].x, wedge[0].y, wedge[2].x, wedge[2].y, light, t);
GfxDrawLine(wedge[1].x, wedge[1].y, wedge[2].x, wedge[2].y, _current_text_dir == TD_RTL ? shadow : light, t);
GfxDrawLine(wedge[0].x, wedge[0].y, wedge[1].x, wedge[1].y, shadow, t);
int x;
for (auto label : labels) {
x = label.first - min_value;
if (_current_text_dir == TD_RTL) x = max_value - x;
x = r.left + (x * (r.right - r.left - sw) / max_value) + sw / 2;
GfxDrawLine(x, r.bottom - ha + 1, x, r.bottom + (label.second == STR_NULL ? 0 : WidgetDimensions::scaled.hsep_normal), shadow, t);
if (label.second != STR_NULL) {
Dimension d = GetStringBoundingBox(label.second, FS_SMALL);
x = Clamp(x - d.width / 2, r.left, r.right - d.width);
DrawString(x, x + d.width, r.bottom + 1 + WidgetDimensions::scaled.hsep_normal, label.second, TC_BLACK, SA_CENTER, false, FS_SMALL);
}
}
/* Draw a slider handle indicating current value. */
value -= min_value;
if (_current_text_dir == TD_RTL) value = max_value - value;
x = r.left + (value * (r.right - r.left - sw) / max_value);
DrawFrameRect(x, r.top, x + sw, r.bottom, COLOUR_GREY, FR_NONE);
}
/**
* Handle click on a slider widget to change the value
* @param r Rectangle of the widget
* @param pt Clicked point
* @param value[in,out] Value to modify
* @return True if the value setting was modified
*/
bool ClickSliderWidget(Rect r, Point pt, int min_value, int max_value, int &value)
{
max_value -= min_value;
const int sw = ScaleGUITrad(SLIDER_WIDTH);
int new_value = Clamp((pt.x - r.left - sw / 2) * max_value / (r.right - r.left - sw), 0, max_value);
if (_current_text_dir == TD_RTL) new_value = max_value - new_value;
new_value += min_value;
if (new_value != value) {
value = new_value;
return true;
}
return false;
}
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