326 lines
9.0 KiB
C
326 lines
9.0 KiB
C
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/** \file
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* \brief GLText Control.
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*
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* See Copyright Notice in "iup.h"
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include "iup.h"
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#include "iupcbs.h"
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#include "iupglcontrols.h"
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#include "iup_object.h"
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#include "iup_attrib.h"
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#include "iup_str.h"
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#include "iup_register.h"
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#include "iup_childtree.h"
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#include "iup_glcontrols.h"
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#include "iup_gldraw.h"
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#include "iup_glicon.h"
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#include "iup_glsubcanvas.h"
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/* In GTK, a child of the IupGLCanvas does not work OK */
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/* #define GL_EDITDLG */
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#ifdef GL_EDITDLG
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static void iGLTextEditShowDlg(Ihandle* ih, Ihandle* text)
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{
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int x, y;
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Ihandle* gl_parent = (Ihandle*)iupAttribGet(ih, "_IUP_GLCANVAS_PARENT");
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Ihandle* dlg = IupGetDialog(text);
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Ihandle* parent_dialog = IupGetAttributeHandle(dlg, "PARENTDIALOG");
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Ihandle* dialog = IupGetDialog(ih);
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if (dialog != parent_dialog)
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IupSetAttributeHandle(dlg, "PARENTDIALOG", dialog);
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x = IupGetInt(gl_parent, "X") + ih->x;
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y = IupGetInt(gl_parent, "Y") + ih->y;
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/* update drop dialog size before calc pos */
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IupRefresh(dlg);
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/* force current size to be updated during Show */
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dlg->currentwidth = 0;
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dlg->currentheight = 0;
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IupShowXY(dlg, x, y);
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}
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#endif
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static int iGLTextEditKILLFOCUS_CB(Ihandle* text)
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{
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Ihandle* ih = (Ihandle*)iupAttribGet(text, "_IUP_GLTEXT");
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Ihandle* gl_parent = (Ihandle*)iupAttribGet(ih, "_IUP_GLCANVAS_PARENT");
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#ifdef GL_EDITDLG
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IupHide(IupGetDialog(text));
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#else
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IupSetAttribute(text, "VISIBLE", "NO");
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IupSetAttribute(text, "ACTIVE", "NO");
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#endif
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IupSetAttribute(gl_parent, "REDRAW", NULL); /* redraw the whole box */
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return IUP_DEFAULT;
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}
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static int iGLTextEditKANY_CB(Ihandle* text, int c)
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{
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if (c == K_ESC || c == K_CR)
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{
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iGLTextEditKILLFOCUS_CB(text);
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return IUP_IGNORE; /* always ignore to avoid the defaultenter/defaultesc behavior from here */
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}
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return IUP_CONTINUE;
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}
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static int iGLTextEditVALUECHANGED_CB(Ihandle* text)
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{
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Ihandle* ih = (Ihandle*)iupAttribGet(text, "_IUP_GLTEXT");
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Icallback cb = IupGetCallback(ih, "VALUECHANGED_CB");
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if (cb)
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cb(ih);
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return IUP_DEFAULT;
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}
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static void iGLTextEditCreate(Ihandle* ih)
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{
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Ihandle* text = IupText(NULL);
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text->currentwidth = 20; /* just to avoid initial size 0x0 */
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text->currentheight = 10;
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#ifdef GL_EDITDLG
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{
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Ihandle* dlg = IupDialog(text);
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IupSetAttribute(dlg, "RESIZE", "NO");
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IupSetAttribute(dlg, "MENUBOX", "NO");
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IupSetAttribute(dlg, "MAXBOX", "NO");
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IupSetAttribute(dlg, "MINBOX", "NO");
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IupSetAttribute(dlg, "BORDER", "NO");
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IupSetAttribute(dlg, "NOFLUSH", "Yes");
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}
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#else
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text->flags |= IUP_INTERNAL;
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iupChildTreeAppend(ih, text);
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IupSetAttribute(text, "FLOATING", "IGNORE");
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IupSetAttribute(text, "VISIBLE", "NO");
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IupSetAttribute(text, "ACTIVE", "NO");
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#endif
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IupSetCallback(text, "VALUECHANGED_CB", (Icallback)iGLTextEditVALUECHANGED_CB);
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IupSetCallback(text, "KILLFOCUS_CB", (Icallback)iGLTextEditKILLFOCUS_CB);
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IupSetCallback(text, "K_ANY", (Icallback)iGLTextEditKANY_CB);
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IupSetAttribute(text, "_IUP_GLTEXT", (char*)ih);
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IupSetAttribute(ih, "_IUP_GLTEXT_EDIT", (char*)text);
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}
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static Ihandle* iGLTextGetEditHandle(Ihandle* ih)
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{
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Ihandle* text = (Ihandle*)iupAttribGet(ih, "_IUP_GLTEXT_EDIT");
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return text;
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}
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static void iGLTextSetEditAlignemnt(Ihandle* ih, Ihandle* text)
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{
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char value1[30], value2[30];
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char* value = iupAttribGetStr(ih, "ALIGNMENT");
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iupStrToStrStr(value, value1, value2, ':');
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if (value1[0] == 0) strcpy(value1, "ALEFT");
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IupSetStrAttribute(text, "ALIGNMENT", value1);
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}
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static void iGLTextEditShow(Ihandle* ih, int x, int y)
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{
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int pos;
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Ihandle* text = iGLTextGetEditHandle(ih);
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iGLTextSetEditAlignemnt(ih, text);
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IupSetStrAttribute(text, "FONT", IupGetAttribute(ih, "FONT"));
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/* TODO: compensate IupText internal spacing */
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/* IupSetStrAttribute(text, "PADDING", iupAttribGetStr(ih, "PADDING")); */
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text->currentwidth = ih->currentwidth;
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text->currentheight = ih->currentheight;
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#ifdef GL_EDITDLG
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iGLTextEditShowDlg(ih, text);
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#else
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text->x = ih->x;
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text->y = ih->y;
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iupClassObjectLayoutUpdate(text);
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IupSetAttribute(text, "VISIBLE", "YES");
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IupSetAttribute(text, "ACTIVE", "YES");
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#endif
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IupSetFocus(text);
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pos = IupConvertXYToPos(text, x, y);
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IupSetInt(text, "CARETPOS", pos);
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}
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/******************************************************************/
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static int iGLTextACTION(Ihandle* ih)
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{
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char* value = IupGetAttribute(iGLTextGetEditHandle(ih), "VALUE");
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int active = iupAttribGetInt(ih, "ACTIVE");
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int highlight = iupAttribGetInt(ih, "HIGHLIGHT");
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char* fgcolor = iupAttribGetStr(ih, "FGCOLOR");
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char* bgcolor = iupAttribGetStr(ih, "BGCOLOR");
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float bwidth = iupAttribGetFloat(ih, "BORDERWIDTH");
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int border_width = (int)ceil(bwidth);
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char* bordercolor = iupAttribGetStr(ih, "BORDERCOLOR");
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if (highlight)
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{
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char* hlcolor = iupAttribGetStr(ih, "HLCOLOR");
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if (hlcolor)
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bgcolor = hlcolor;
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}
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/* draw border - can still be disabled setting bwidth=0 */
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iupGLDrawRect(ih, 0, ih->currentwidth - 1,
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0, ih->currentheight - 1,
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bwidth, bordercolor, active, 0);
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/* draw background */
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iupGLDrawBox(ih, border_width, ih->currentwidth - 1 - border_width,
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border_width, ih->currentheight - 1 - border_width,
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bgcolor, 1); /* always active */
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iupGLIconDraw(ih, border_width, border_width,
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ih->currentwidth - 2 * border_width, ih->currentheight - 2 * border_width,
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NULL, NULL, value, fgcolor, active);
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return IUP_DEFAULT;
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}
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static int iGLTextBUTTON_CB(Ihandle* ih, int button, int pressed, int x, int y, char* status)
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{
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if (button == IUP_BUTTON1)
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{
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iupGLSubCanvasRedraw(ih);
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if (!pressed)
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iGLTextEditShow(ih, x, y);
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}
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(void)x;
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(void)y;
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(void)status;
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return IUP_DEFAULT;
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}
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static int iGLTextSetValueAttrib(Ihandle* ih, const char* value)
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{
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IupSetStrAttribute(iGLTextGetEditHandle(ih), "VALUE", value);
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return 0; /* do not store value in hash table */
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}
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static char* iGLTextGetValueAttrib(Ihandle* ih)
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{
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return IupGetAttribute(iGLTextGetEditHandle(ih), "VALUE");
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}
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static char* iGLTextGetTextAttrib(Ihandle* ih)
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{
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return IupGetName(iGLTextGetEditHandle(ih));
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}
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static char* iGLTextGetTextHandleAttrib(Ihandle* ih)
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{
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return (char*)iGLTextGetEditHandle(ih);
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}
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static int iGLTextCreateMethod(Ihandle* ih, void** params)
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{
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iGLTextEditCreate(ih);
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IupSetCallback(ih, "GL_ACTION", iGLTextACTION);
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IupSetCallback(ih, "GL_BUTTON_CB", (Icallback)iGLTextBUTTON_CB);
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IupSetCallback(ih, "GL_LEAVEWINDOW_CB", iupGLSubCanvasRedraw);
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IupSetCallback(ih, "GL_ENTERWINDOW_CB", iupGLSubCanvasRedraw);
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(void)params;
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return IUP_NOERROR;
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}
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static void iGLTextComputeNaturalSizeMethod(Ihandle* ih, int *w, int *h, int *children_expand)
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{
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int natural_w = 0,
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natural_h = 0,
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visiblecolumns = iupAttribGetInt(ih, "VISIBLECOLUMNS");
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float bwidth = iupAttribGetFloat(ih, "BORDERWIDTH");
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int border_width = (int)ceil(bwidth);
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/* Since the contents can be changed by the user, the size can not be dependent on it. */
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iupGLIconGetSize(ih, NULL, "WWWWWWWWWW", &natural_w, &natural_h); /* one line height */
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natural_w = (visiblecolumns*natural_w) / 10;
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/* compute the borders space */
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*w += 2 * border_width;
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*h += 2 * border_width;
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*w = natural_w;
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*h = natural_h;
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(void)children_expand; /* unset if not a container */
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}
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/******************************************************************************/
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Iclass* iupGLTextNewClass(void)
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{
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Iclass* ic = iupClassNew(iupRegisterFindClass("glsubcanvas"));
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ic->name = "gltext";
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ic->cons = "GLText";
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ic->format = NULL; /* no parameters */
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ic->nativetype = IUP_TYPEVOID;
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ic->childtype = IUP_CHILDNONE;
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ic->is_interactive = 0;
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/* Class functions */
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ic->New = iupGLTextNewClass;
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ic->Create = iGLTextCreateMethod;
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ic->ComputeNaturalSize = iGLTextComputeNaturalSizeMethod;
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iupClassRegisterCallback(ic, "VALUECHANGED_CB", "");
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iupClassRegisterAttribute(ic, "VALUE", iGLTextGetValueAttrib, iGLTextSetValueAttrib, NULL, NULL, IUPAF_NO_DEFAULTVALUE | IUPAF_NO_INHERIT);
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iupClassRegisterAttribute(ic, "FGCOLOR", NULL, NULL, "0 0 0", NULL, IUPAF_DEFAULT); /* inheritable */
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iupClassRegisterAttribute(ic, "VISIBLECOLUMNS", NULL, NULL, IUPAF_SAMEASSYSTEM, "5", IUPAF_NO_INHERIT);
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iupClassRegisterAttribute(ic, "TEXT", iGLTextGetTextAttrib, NULL, NULL, NULL, IUPAF_READONLY | IUPAF_IHANDLENAME | IUPAF_NOT_MAPPED | IUPAF_NO_INHERIT);
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iupClassRegisterAttribute(ic, "TEXT_HANDLE", iGLTextGetTextHandleAttrib, NULL, NULL, NULL, IUPAF_READONLY | IUPAF_NOT_MAPPED | IUPAF_NO_INHERIT | IUPAF_IHANDLE | IUPAF_NO_STRING);
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/* replace default value */
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iupClassRegisterAttribute(ic, "PADDING", NULL, NULL, IUPAF_SAMEASSYSTEM, "2x2", IUPAF_NO_INHERIT);
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iupClassRegisterAttribute(ic, "CPADDING", iupBaseGetCPaddingAttrib, iupBaseSetCPaddingAttrib, NULL, NULL, IUPAF_NO_SAVE | IUPAF_NOT_MAPPED);
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iupClassRegisterAttribute(ic, "ALIGNMENT", NULL, NULL, IUPAF_SAMEASSYSTEM, "ALEFT:ATOP", IUPAF_NO_INHERIT);
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return ic;
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}
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Ihandle* IupGLText(void)
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{
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return IupCreate("gltext");
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}
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