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