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header_text.c

/**
 * header_text.c oct-2003
 *
 * Functions to draw the "Text Editor" window header
 * and handle user events sent to it.
 * 
 * $Id: header_text.c,v 1.21 2004/11/14 13:37:29 broken Exp $
 *
 * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version. The Blender
 * Foundation also sells licenses for use in proprietary software under
 * the Blender License.  See http://www.blender.org/BL/ for information
 * about this.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston, MA      02111-1307, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL/BL DUAL LICENSE BLOCK *****
 */

#include <stdlib.h>
#include <string.h>
#include <stdio.h>

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#ifdef WIN32
#include "BLI_winstuff.h"
#endif

#include "BMF_Api.h"
#include "BIF_language.h"
#ifdef INTERNATIONAL
#include "FTF_Api.h"
#endif

#include "BSE_headerbuttons.h"

#include "DNA_ID.h"
#include "DNA_screen_types.h"
#include "DNA_space_types.h"
#include "DNA_text_types.h"

#include "BIF_drawtext.h"
#include "BIF_interface.h"
#include "BIF_resources.h"
#include "BIF_screen.h"
#include "BIF_space.h"
#include "BIF_toolbox.h"
#include "BKE_global.h"
#include "BKE_library.h"
#include "BKE_main.h"
#include "BKE_sca.h"
#include "BKE_text.h"
#include "BSE_filesel.h"

#include "BPY_extern.h"

#include "blendef.h"
#include "mydevice.h"

void do_text_buttons(unsigned short event)
{
      SpaceText *st= curarea->spacedata.first;
      ID *id, *idtest;
      int nr= 1;
      Text *text;
            
      if (!st) return;
      if (st->spacetype != SPACE_TEXT) return;
      
      switch (event) {
      case B_TEXTBROWSE:
            if (st->menunr==-2) {
                  activate_databrowse((ID *)st->text, ID_TXT, 0, B_TEXTBROWSE,
                                                                  &st->menunr, do_text_buttons);
                  break;
            }
            if(st->menunr < 0) break;
                  
            text= st->text;

            nr= 1;
            id= (ID *)text;
            
            if (st->menunr==32767) {
                  st->text= (Text *)add_empty_text();

                  st->top= 0;
                  
                  allqueue(REDRAWTEXT, 0);
                  allqueue(REDRAWHEADERS, 0); 
            }
            else if (st->menunr==32766) {
                  activate_fileselect(FILE_SPECIAL, "Open Text File", G.sce, add_text_fs); 
                  return;
            }
            else {            
                  idtest= G.main->text.first;
                  while(idtest) {
                        if(nr==st->menunr) {
                              break;
                        }
                        nr++;
                        idtest= idtest->next;
                  }
                  if(idtest==0) { /* new text */
                        activate_fileselect(FILE_SPECIAL, "Open Text File",
                                                                        G.sce, add_text_fs); 
                        return;
                  }
                  if(idtest!=id) {
                        st->text= (Text *)idtest;
                        st->top= 0;
                        
                        pop_space_text(st);
                  
                        allqueue(REDRAWTEXT, 0);
                        allqueue(REDRAWHEADERS, 0);
                  }
            }
            break;
                        
      case B_TEXTDELETE:
            
            text= st->text;
            if (!text) return;
            
            BPY_clear_bad_scriptlinks(text);
            free_text_controllers(text);
            
            unlink_text(text);
            free_libblock(&G.main->text, text);
            
            break;
            
/*
      case B_TEXTSTORE:
            st->text->flags ^= TXT_ISEXT;
            
            allqueue(REDRAWHEADERS, 0);
            break;
*/           
      case B_TEXTLINENUM:
            if(st->showlinenrs)
                  st->showlinenrs = 0;
            else
                  st->showlinenrs = 1;

            allqueue(REDRAWTEXT, 0);
            allqueue(REDRAWHEADERS, 0);
            break;

      case B_TEXTFONT:
            switch(st->font_id) {
            case 0:
                  st->lheight= 12; break;
            case 1:
                  st->lheight= 15; 
                  break;
            }
                  
            allqueue(REDRAWTEXT, 0);
            allqueue(REDRAWHEADERS, 0);

            break;
      case B_TAB_NUMBERS:
            allqueue(REDRAWTEXT, 0);
            allqueue(REDRAWHEADERS, 0);
            break;
      }
}

/* action executed after clicking in File menu */
static void do_text_filemenu(void *arg, int event)
{
      SpaceText *st= curarea->spacedata.first;
      Text *text= st->text;
      ScrArea *sa;

      switch(event) {
      case 1:
            st->text= add_empty_text();
            st->top=0;

            allqueue(REDRAWTEXT, 0);
            allqueue(REDRAWHEADERS, 0);
            break;
      case 2:
            activate_fileselect(FILE_SPECIAL, "Open Text File", G.sce, add_text_fs);
            break;
      case 3:
            if (text->compiled) BPY_free_compiled_text(text);
                    text->compiled = NULL;
                  if (okee("Reopen Text")) {
                        if (!reopen_text(text)) {
                              error("Could not reopen file");
                        }
                  }
            break;
      case 5:
            text->flags |= TXT_ISMEM;
      case 4:
            txt_write_file(text);
            break;
      case 6:
            run_python_script(st);
            break;
      default:
            break;
      }
      for (sa= G.curscreen->areabase.first; sa; sa= sa->next) {
            SpaceText *st= sa->spacedata.first;
            if (st && st->spacetype==SPACE_TEXT) {
                  scrarea_queue_redraw(sa);
            }
      }
}

/* action executed after clicking in Edit menu */
static void do_text_editmenu(void *arg, int event)
{
      SpaceText *st= curarea->spacedata.first;
      Text *text= st->text;
      ScrArea *sa;
      
      switch(event) {
      case 1:
            txt_do_undo(text);
            break;
      case 2:
            txt_do_redo(text);
            break;
      case 3:
            txt_cut_sel(text);
            pop_space_text(st);
            break;
      case 4:
            txt_copy_sel(text);
            break;
      case 5:
            txt_paste(text);
            break;
      case 6:
            txt_print_cutbuffer();
            break;
      case 7:
            jumptoline_interactive(st);
            break;
      case 8:
            txt_find_panel(st,1);
            break;
      case 9:
            txt_find_panel(st,0);
            break;
      case 10:
            txt_export_to_object(text);
            break;
      default:
            break;
      }

      for (sa= G.curscreen->areabase.first; sa; sa= sa->next) {
            SpaceText *st= sa->spacedata.first;
            if (st && st->spacetype==SPACE_TEXT) {
                  scrarea_queue_redraw(sa);
            }
      }
}

/* action executed after clicking in View menu */
static void do_text_editmenu_viewmenu(void *arg, int event)
{
      SpaceText *st= curarea->spacedata.first;
      Text *text= st->text;
      ScrArea *sa;
      
      switch(event) {
            case 1:
                  txt_move_bof(text, 0);
                  pop_space_text(st);
                  break;
            case 2:
                  txt_move_eof(text, 0);
                  pop_space_text(st);
                  break;
            default:
                  break;
      }

      for (sa= G.curscreen->areabase.first; sa; sa= sa->next) {
            SpaceText *st= sa->spacedata.first;
            if (st && st->spacetype==SPACE_TEXT) {
                  scrarea_queue_redraw(sa);
            }
      }
}

/* action executed after clicking in Select menu */
static void do_text_editmenu_selectmenu(void *arg, int event)
{
      SpaceText *st= curarea->spacedata.first;
      Text *text= st->text;
      ScrArea *sa;
      
      switch(event) {
      case 1:
            txt_sel_all(text);
            break;            
      case 2:
            txt_sel_line(text);
            break;
      default:
            break;
      }

      for (sa= G.curscreen->areabase.first; sa; sa= sa->next) {
            SpaceText *st= sa->spacedata.first;
            if (st && st->spacetype==SPACE_TEXT) {
                  scrarea_queue_redraw(sa);
            }
      }
}

/* action executed after clicking in Format menu */
static void do_text_formatmenu(void *arg, int event)
{
      SpaceText *st= curarea->spacedata.first;
      Text *text= st->text;
      ScrArea *sa;
      
      switch(event) {
      case 3:
            if (txt_has_sel(text)) {
                  txt_cut_sel(text);
                  indent_paste(text);
                  break;
            }
            else {
                  txt_add_char(text, '\t');
                  break;
            }
      case 4:
            if ( txt_has_sel(text)) {
                  txt_cut_sel(text);
                  unindent(text);
                  break;
            }
            break;
      case 5:
            if ( txt_has_sel(text)) {
                  txt_cut_sel(text);
                  comment(text);
                  break;
            }
            break;
      case 6:
            if ( txt_has_sel(text)) {
                  txt_cut_sel(text);
                  uncomment(text);
                  break;
            }
            break;
      default:
            break;
      }

      for (sa= G.curscreen->areabase.first; sa; sa= sa->next) {
            SpaceText *st= sa->spacedata.first;
            if (st && st->spacetype==SPACE_TEXT) {
                  scrarea_queue_redraw(sa);
            }
      }
}

/* View menu */
static uiBlock *text_editmenu_viewmenu(void *arg_unused)
{
      uiBlock *block;
      short yco = 20, menuwidth = 120;

      block= uiNewBlock(&curarea->uiblocks, "text_editmenu_viewmenu", UI_EMBOSSP, UI_HELV, G.curscreen->mainwin);
      uiBlockSetButmFunc(block, do_text_editmenu_viewmenu, NULL);

      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Top of File", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 1, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Bottom of File", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 2, "");

      uiBlockSetDirection(block, UI_RIGHT);
      uiTextBoundsBlock(block, 60);
      
      return block;
}

/* Select menu */
static uiBlock *text_editmenu_selectmenu(void *arg_unused)
{
      uiBlock *block;
      short yco = 20, menuwidth = 120;

      block= uiNewBlock(&curarea->uiblocks, "text_editmenu_selectmenu", UI_EMBOSSP, UI_HELV, G.curscreen->mainwin);
      uiBlockSetButmFunc(block, do_text_editmenu_selectmenu, NULL);

      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Select All|Ctrl A", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 1, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Select Line", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 2, "");
      
      uiBlockSetDirection(block, UI_RIGHT);
      uiTextBoundsBlock(block, 60);
      
      return block;
}

/* Format menu */
static uiBlock *text_formatmenu(void *arg_unused)
{
      uiBlock *block;
      short yco= 0, menuwidth=120;

      block= uiNewBlock(&curarea->uiblocks, "text_formatmenu", UI_EMBOSSP, UI_HELV, curarea->headwin);
      uiBlockSetButmFunc(block, do_text_formatmenu, NULL);

      uiDefBut(block, SEPR, 0, "",        0, yco-=6, menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Indent|Tab", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 3, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Unindent|Shift Tab", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 4, "");
      uiDefBut(block, SEPR, 0, "",        0, yco-=6, menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Comment", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 5, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Uncomment", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 6, "");
      
      if(curarea->headertype==HEADERTOP) {
            uiBlockSetDirection(block, UI_DOWN);
      }
      else {
            uiBlockSetDirection(block, UI_TOP);
            uiBlockFlipOrder(block);
      }

      uiTextBoundsBlock(block, 50);
      return block;
}

/* Edit menu */
static uiBlock *text_editmenu(void *arg_unused)
{
      uiBlock *block;
      short yco= 0, menuwidth=120;

      block= uiNewBlock(&curarea->uiblocks, "text_editmenu", UI_EMBOSSP, UI_HELV, curarea->headwin);
      uiBlockSetButmFunc(block, do_text_editmenu, NULL);

      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Undo|Ctrl Z", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 1, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Redo|Ctrl Shift Z", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 2, "");
      uiDefBut(block, SEPR, 0, "",        0, yco-=6, menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Cut|Alt X", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 3, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Copy|Alt C", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 4, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Paste|Alt V", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 5, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Print Cut Buffer", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 6, "");
      uiDefBut(block, SEPR, 0, "",        0, yco-=6, menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");
      uiDefIconTextBlockBut(block, text_editmenu_viewmenu, NULL, ICON_RIGHTARROW_THIN, "View|Alt Shift V   ", 0, yco-=20, 120, 19, "");
      uiDefIconTextBlockBut(block, text_editmenu_selectmenu, NULL, ICON_RIGHTARROW_THIN, "Select|Alt Shift S   ", 0, yco-=20, 120, 19, "");
      uiDefBut(block, SEPR, 0, "",        0, yco-=6, menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Jump...|Alt J", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 7, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Find...|Alt Ctrl F", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 8, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Find Again|Alt F", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 9, "");
      uiDefBut(block, SEPR, 0, "",        0, yco-=6, menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Convert to 3D Text|Alt M", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 10, "");
      
      if(curarea->headertype==HEADERTOP) {
            uiBlockSetDirection(block, UI_DOWN);
      }
      else {
            uiBlockSetDirection(block, UI_TOP);
            uiBlockFlipOrder(block);
      }

      uiTextBoundsBlock(block, 50);
      return block;
}

/* File menu */
static uiBlock *text_filemenu(void *arg_unused)
{
      SpaceText *st= curarea->spacedata.first;
      Text *text= st->text;
      uiBlock *block;
      short yco= 0, menuwidth=120;

      block= uiNewBlock(&curarea->uiblocks, "text_filemenu", UI_EMBOSSP, UI_HELV, curarea->headwin);
      uiBlockSetButmFunc(block, do_text_filemenu, NULL);

      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "New|Alt N", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 1, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Open...|Alt O", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 2, "");
      if(text) {
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Reopen|Alt R", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 3, "");
            uiDefBut(block, SEPR, 0, "",        0, yco-=6, menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");
            uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Save|Alt S", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 4, "");
            uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Save As...", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 5, "");
            uiDefBut(block, SEPR, 0, "",        0, yco-=6, menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");
            uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Run Python Script|Alt P", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 6, "");
      }

      if(curarea->headertype==HEADERTOP) {
            uiBlockSetDirection(block, UI_DOWN);
      }
      else {
            uiBlockSetDirection(block, UI_TOP);
            uiBlockFlipOrder(block);
      }

      uiTextBoundsBlock(block, 50);
      return block;
}

/* header */
void text_buttons(void)
{
      uiBlock *block;
      SpaceText *st= curarea->spacedata.first;
      Text *text= st->text;
      short xco, xmax;
      char naam[256];
      
      if (!st || st->spacetype != SPACE_TEXT) return;

      sprintf(naam, "header %d", curarea->headwin);
      block= uiNewBlock(&curarea->uiblocks, naam, UI_EMBOSS, UI_HELV, curarea->headwin);

      if(area_is_active_area(curarea)) uiBlockSetCol(block, TH_HEADER);
      else uiBlockSetCol(block, TH_HEADERDESEL);

      curarea->butspacetype= SPACE_TEXT;

      xco = 8;
      uiDefIconTextButC(block, ICONTEXTROW,B_NEWSPACE, ICON_VIEW3D, windowtype_pup(), xco,0,XIC+10,YIC, &(curarea->butspacetype), 1.0, SPACEICONMAX, 0, 0, "Displays Current Window Type. Click for menu of available types.");
      xco+= XIC+14;

      uiBlockSetEmboss(block, UI_EMBOSSN);
      if(curarea->flag & HEADER_NO_PULLDOWN) {
            uiDefIconButS(block, TOG|BIT|0, B_FLIPINFOMENU, ICON_DISCLOSURE_TRI_RIGHT,
                        xco,2,XIC,YIC-2,
                        &(curarea->flag), 0, 0, 0, 0, "Enables display of pulldown menus");
      } else {
            uiDefIconButS(block, TOG|BIT|0, B_FLIPINFOMENU, ICON_DISCLOSURE_TRI_DOWN,
                        xco,2,XIC,YIC-2,
                        &(curarea->flag), 0, 0, 0, 0, "Hides pulldown menus");
      }
      uiBlockSetEmboss(block, UI_EMBOSS);
      xco+=XIC;

      /* pull down menus */
      if((curarea->flag & HEADER_NO_PULLDOWN)==0) {
            uiBlockSetEmboss(block, UI_EMBOSSP);
      
            xmax= GetButStringLength("File");
            uiDefPulldownBut(block,text_filemenu, NULL, "File", xco, 0, xmax, 20, "");
            xco+=xmax;
      
            if(text) {
                  xmax= GetButStringLength("Edit");
                  uiDefPulldownBut(block,text_editmenu, NULL, "Edit", xco, 0, xmax, 20, "");
                  xco+=xmax;
                  
                  xmax= GetButStringLength("Format");
                  uiDefPulldownBut(block,text_formatmenu, NULL, "Format", xco, 0, xmax, 20, "");
                  xco+=xmax;
            }
      }
      uiBlockSetEmboss(block, UI_EMBOSSX);
      xco += 10;
      
      /* FULL WINDOW */
      if(curarea->full) uiDefIconBut(block, BUT,B_FULL, ICON_SPLITSCREEN,     xco,0,XIC,YIC, 0, 0, 0, 0, 0, "Returns to multiple views window (CTRL+Up arrow)");
      else uiDefIconBut(block, BUT,B_FULL, ICON_FULLSCREEN, xco,0,XIC,YIC, 0, 0, 0, 0, 0, "Makes current window full screen (CTRL+Down arrow)");
            
      if(st->showlinenrs)
            uiDefIconBut(block, BUT, B_TEXTLINENUM, ICON_SHORTDISPLAY, xco+=XIC,0,XIC,YIC, 0, 0, 0, 0, 0, "Hides line numbers");
      else
            uiDefIconBut(block, BUT, B_TEXTLINENUM, ICON_LONGDISPLAY, xco+=XIC,0,XIC,YIC, 0, 0, 0, 0, 0, "Displays line numbers");


      /* STD TEXT BUTTONS */
      xco+= 2*XIC;
      xco= std_libbuttons(block, xco, 0, 0, NULL, B_TEXTBROWSE, (ID*)st->text, 0, &(st->menunr), 0, 0, B_TEXTDELETE, 0, 0);

      /*
      if (st->text) {
            if (st->text->flags & TXT_ISDIRTY && (st->text->flags & TXT_ISEXT || !(st->text->flags & TXT_ISMEM)))
                  uiDefIconBut(block, BUT,0, ICON_ERROR, xco+=XIC,0,XIC,YIC, 0, 0, 0, 0, 0, "The text has been changed");
            if (st->text->flags & TXT_ISEXT) 
                  uiDefBut(block, BUT,B_TEXTSTORE, ICON(),  xco+=XIC,0,XIC,YIC, 0, 0, 0, 0, 0, "Stores text in project file");
            else 
                  uiDefBut(block, BUT,B_TEXTSTORE, ICON(),  xco+=XIC,0,XIC,YIC, 0, 0, 0, 0, 0, "Disables storing of text in project file");
            xco+=10;
      }
      */          

      xco+=XIC;
      if(st->font_id>1) st->font_id= 0;
      uiDefButI(block, MENU, B_TEXTFONT, "Screen 12 %x0|Screen 15%x1", xco,0,100,YIC, &st->font_id, 0, 0, 0, 0, "Displays available fonts");
      xco+=110;
      
      uiDefButI(block, NUM, B_TAB_NUMBERS, "Tab:",          xco, 0, XIC+50, YIC, &st->tabnumber, 2, 8, 0, 0, "Set spacing of Tab");
      xco+= XIC+50;
      
      /* always as last  */
      curarea->headbutlen= xco+2*XIC;

      uiDrawBlock(block);
}

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