ugfx/demos/modules/gwin/slider/main.c

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/*
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* Copyright (c) 2012, 2013, Joel Bodenmann aka Tectu <joel@unormal.org>
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* Copyright (c) 2012, 2013, Andrew Hannam aka inmarket
*
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* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the <organization> nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
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#include "gfx.h"
#include "chprintf.h"
static GListener gl;
#define SLIDER_WIDTH 20
int main(void) {
coord_t swidth, sheight;
GHandle ghSliderH, ghSliderV, ghConsole;
font_t fui2;
GEvent * pe;
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GEventGWinSlider * pSliderEvent;
BaseSequentialStream *consout;
gfxInit(); // Initialize the display
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// Get the display dimensions
swidth = gdispGetWidth();
sheight = gdispGetHeight();
// Get the font
fui2 = gdispOpenFont("UI2");
// Create out gwin windows/widgets
ghSliderH = gwinCreateSlider(NULL, 5, 5, swidth-10, SLIDER_WIDTH);
ghSliderV = gwinCreateSlider(NULL, 5, 10+SLIDER_WIDTH, SLIDER_WIDTH, sheight-15+SLIDER_WIDTH);
ghConsole = gwinCreateConsole(NULL, 10+SLIDER_WIDTH, 10+SLIDER_WIDTH, swidth-15-SLIDER_WIDTH, sheight-15-SLIDER_WIDTH, fui2);
consout = gwinGetConsoleStream(ghConsole);
// Color up the console window
gwinSetColor(ghConsole, White);
gwinSetBgColor(ghConsole, Blue);
// Assign the mouse and dials to the sliders.
#if GINPUT_NEED_MOUSE
gwinAttachSliderMouse(ghSliderH, 0);
gwinAttachSliderMouse(ghSliderV, 0);
#endif
#if GINPUT_NEED_DIAL
gwinAttachSliderDial(ghSliderV, 0);
gwinAttachSliderDial(ghSliderH, 1);
#endif
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// We want to listen for slider events
geventListenerInit(&gl);
geventAttachSource(&gl, gwinGetSliderSource(ghSliderH), 0);
geventAttachSource(&gl, gwinGetSliderSource(ghSliderV), 0);
// Draw everything on the screen
gwinClear(ghConsole);
gwinSliderDraw(ghSliderH);
gwinSliderDraw(ghSliderV);
while(1) {
// Get an Event
pe = geventEventWait(&gl, TIME_INFINITE);
switch(pe->type) {
case GEVENT_GWIN_SLIDER:
pSliderEvent = (GEventGWinSlider *)pe;
chprintf(consout, "%c=%d\n", pSliderEvent->slider == ghSliderH ? 'H' : 'V', pSliderEvent->position);
break;
}
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}
return 0;
}