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

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/*
* Copyright (c) 2012, 2013, Joel Bodenmann aka Tectu <joel@unormal.org>
* Copyright (c) 2012, 2013, Andrew Hannam aka inmarket
* 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.
*/
#include "gfx.h"
/* The variables we need */
static gFont font;
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static GListener gl;
static GHandle ghConsole;
static GHandle ghKeyboard;
/**
* Create the widgets.
*/
static void createWidgets(void) {
GWidgetInit wi;
gwinWidgetClearInit(&wi);
// Create the console - set colors before making it visible
wi.g.show = gFalse;
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wi.g.x = 0; wi.g.y = 0;
wi.g.width = gdispGetWidth(); wi.g.height = gdispGetHeight()/2;
ghConsole = gwinConsoleCreate(0, &wi.g);
gwinSetColor(ghConsole, GFX_BLACK);
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gwinSetBgColor(ghConsole, HTML2COLOR(0xF0F0F0));
gwinShow(ghConsole);
gwinClear(ghConsole);
// Create the keyboard
wi.g.show = gTrue;
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wi.g.x = 0; wi.g.y = gdispGetHeight()/2;
wi.g.width = gdispGetWidth(); wi.g.height = gdispGetHeight()/2;
ghKeyboard = gwinKeyboardCreate(0, &wi);
}
int main(void) {
GEvent * pe;
GEventKeyboard * pk;
unsigned i;
// Initialize the display
gfxInit();
// Set the widget defaults
font = gdispOpenFont("*"); // Get the first defined font.
gwinSetDefaultFont(font);
gwinSetDefaultStyle(&WhiteWidgetStyle, gFalse);
gdispClear(GFX_WHITE);
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// Create the gwin windows/widgets
createWidgets();
// We want to listen for widget events
geventListenerInit(&gl);
gwinAttachListener(&gl);
// We also want to listen to keyboard events from the virtual keyboard
geventAttachSource(&gl, gwinKeyboardGetEventSource(ghKeyboard), GLISTEN_KEYTRANSITIONS|GLISTEN_KEYUP);
while(1) {
// Get an Event
pe = geventEventWait(&gl, gDelayForever);
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switch(pe->type) {
case GEVENT_GWIN_KEYBOARD:
// This is a widget event generated on the standard gwin event source
gwinPrintf(ghConsole, "Keyboard visibility has changed\n");
break;
case GEVENT_KEYBOARD:
// This is a keyboard event from a keyboard source which must be separately listened to.
// It is not sent on the gwin event source even though in this case it was generated by a gwin widget.
pk = (GEventKeyboard *)pe;
gwinPrintf(ghConsole, "KEYSTATE: 0x%04X [ %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s]",
pk->keystate,
(!pk->keystate ? "NONE " : ""),
((pk->keystate & GKEYSTATE_KEYUP) ? "KEYUP " : ""),
((pk->keystate & GKEYSTATE_REPEAT) ? "REPEAT " : ""),
((pk->keystate & GKEYSTATE_SPECIAL) ? "SPECIAL " : ""),
((pk->keystate & GKEYSTATE_RAW) ? "RAW " : ""),
((pk->keystate & GKEYSTATE_SHIFT_L) ? "LSHIFT " : ""),
((pk->keystate & GKEYSTATE_SHIFT_R) ? "RSHIFT " : ""),
((pk->keystate & GKEYSTATE_CTRL_L) ? "LCTRL " : ""),
((pk->keystate & GKEYSTATE_CTRL_R) ? "RCTRL " : ""),
((pk->keystate & GKEYSTATE_ALT_L) ? "LALT " : ""),
((pk->keystate & GKEYSTATE_ALT_R) ? "RALT " : ""),
((pk->keystate & GKEYSTATE_FN) ? "FN " : ""),
((pk->keystate & GKEYSTATE_COMPOSE) ? "COMPOSE " : ""),
((pk->keystate & GKEYSTATE_WINKEY) ? "WINKEY " : ""),
((pk->keystate & GKEYSTATE_CAPSLOCK) ? "CAPSLOCK " : ""),
((pk->keystate & GKEYSTATE_NUMLOCK) ? "NUMLOCK " : ""),
((pk->keystate & GKEYSTATE_SCROLLLOCK) ? "SCROLLLOCK " : "")
);
if (pk->bytecount) {
gwinPrintf(ghConsole, " Keys:");
for (i = 0; i < pk->bytecount; i++)
gwinPrintf(ghConsole, " 0x%02X", (int)(gU8)pk->c[i]);
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gwinPrintf(ghConsole, " [");
for (i = 0; i < pk->bytecount; i++)
gwinPrintf(ghConsole, "%c", pk->c[i] >= ' ' && pk->c[i] <= '~' ? pk->c[i] : ' ');
gwinPrintf(ghConsole, "]");
}
gwinPrintf(ghConsole, "\n");
break;
default:
gwinPrintf(ghConsole, "Unknown %d\n", pe->type);
break;
}
}
return 0;
}