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/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.org/license.html
*/
/**
* @file src/gwin/gwin_textedit.c
* @brief GWIN TextEdit widget header file
*/
#include "gfx.h"
#if GFX_USE_GWIN && GWIN_NEED_TEXTEDIT
#include "gwin_class.h"
// Text padding (between edge and text) in pixels
const int TEXT_PADDING = 3;
// macros to assist in data type conversions
#define gh2obj ((GTexteditObject *)gh)
#define gw2obj ((GTexteditObject *)gw)
#if GINPUT_NEED_KEYBOARD
static void _keyboardEvent(GWidgetObject* gw, GEventKeyboard* pke)
{
// Create a temporary buffer containing the current size
unsigned bufSize = strlen(gwinGetText((GHandle)gw))+1;
char buf[bufSize];
strncpy(buf, gwinGetText((GHandle)gw), bufSize);
// Parse the key press
if (pke->bytecount == 1) {
// Check backspace
if (pke->c[0] == GKEY_BACKSPACE) {
buf[strlen(buf)-1] = '\0';
}
// Append new character
else {
strncat(buf, &(pke->c[0]), 1);
}
// Set the new text
gwinSetText((GHandle)gw, buf, TRUE);
}
_gwinUpdate((GHandle)gw);
}
#endif
static void gwinTexteditDefaultDraw(GWidgetObject* gw, void* param);
static const gwidgetVMT texteditVMT = {
{
"TextEdit", // The class name
sizeof(GTexteditObject), // The object size
_gwidgetDestroy, // The destroy routine
_gwidgetRedraw, // The redraw routine
0, // The after-clear routine
},
gwinTexteditDefaultDraw, // default drawing routine
#if GINPUT_NEED_MOUSE
{
0, // Process mose down events (NOT USED)
0, // Process mouse up events (NOT USED)
0, // Process mouse move events (NOT USED)
},
#endif
#if GINPUT_NEED_KEYBOARD
{
_keyboardEvent, // Process keyboard key down events
},
#endif
#if GINPUT_NEED_TOGGLE
{
0, // No toggle role
0, // Assign Toggles (NOT USED)
0, // Get Toggles (NOT USED)
0, // Process toggle off event (NOT USED)
0, // Process toggle on event (NOT USED)
},
#endif
#if GINPUT_NEED_DIAL
{
0, // No dial roles
0, // Assign Dials (NOT USED)
0, // Get Dials (NOT USED)
0, // Procees dial move events (NOT USED)
},
#endif
};
GHandle gwinGTexteditCreate(GDisplay* g, GTexteditObject* widget, GWidgetInit* pInit)
{
uint16_t flags = 0;
if (!(widget = (GTexteditObject*)_gwidgetCreate(g, &widget->w, pInit, &texteditVMT))) {
return 0;
}
widget->w.g.flags |= flags;
gwinSetVisible(&widget->w.g, pInit->g.show);
return (GHandle)widget;
}
static void gwinTexteditDefaultDraw(GWidgetObject* gw, void* param)
{
color_t textColor;
(void) param;
// Is it a valid handle?
if (gw->g.vmt != (gwinVMT*)&texteditVMT) {
return;
}
textColor = (gw->g.flags & GWIN_FLG_SYSENABLED) ? gw->pstyle->enabled.text : gw->pstyle->disabled.text;
gdispGFillStringBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, gw->text, gw->g.font, textColor, gw->pstyle->background, justifyLeft);
}
#undef gh2obj
#undef gw2obj
#endif // GFX_USE_GWIN && GWIN_NEED_TEXTEDIT
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