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godot/scene/gui/text_edit.cpp
Juan Linietsky 0b806ee0fc GODOT IS OPEN SOURCE
2014-02-09 22:10:30 -03:00

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/*************************************************************************/
/* text_edit.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
/*****f********************************************/
/* text_edit.cpp */
/*************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/*************************************************/
/* Source code within this file is: */
/* (c) 2007-2010 Juan Linietsky, Ariel Manzur */
/* All Rights Reserved. */
/*************************************************/
#include "text_edit.h"
#include "os/keyboard.h"
#include "os/os.h"
#include "globals.h"
#include "message_queue.h"
#define TAB_PIXELS
static bool _is_text_char(CharType c) {
return (c>='a' && c<='z') || (c>='A' && c<='Z') || (c>='0' && c<='9') || c=='_';
}
static bool _is_symbol(CharType c) {
return c!='_' && ((c>='!' && c<='/') || (c>=':' && c<='@') || (c>='[' && c<='`') || (c>='{' && c<='~') || c=='\t');
}
void TextEdit::Text::set_font(const Ref<Font>& p_font) {
font=p_font;
}
void TextEdit::Text::set_tab_size(int p_tab_size) {
tab_size=p_tab_size;
}
void TextEdit::Text::_update_line_cache(int p_line) const {
int w =0;
int tab_w=font->get_char_size(' ').width;
int len = text[p_line].data.length();
const CharType *str = text[p_line].data.c_str();
//update width
for(int i=0;i<len;i++) {
if (str[i]=='\t') {
int left = w%tab_w;
if (left==0)
w+=tab_w;
else
w+=tab_w-w%tab_w; // is right...
} else {
w+=font->get_char_size(str[i],str[i+1]).width;
}
}
text[p_line].width_cache=w;
//update regions
text[p_line].region_info.clear();
for(int i=0;i<len;i++) {
if (!_is_symbol(str[i]))
continue;
if (str[i]=='\\') {
i++; //skip quoted anything
continue;
}
int left=len-i;
for(int j=0;j<color_regions->size();j++) {
const ColorRegion& cr=color_regions->operator [](j);
/* BEGIN */
int lr=cr.begin_key.length();
if (lr==0 || lr>left)
continue;
const CharType* kc = cr.begin_key.c_str();
bool match=true;
for(int k=0;k<lr;k++) {
if (kc[k]!=str[i+k]) {
match=false;
break;
}
}
if (match) {
ColorRegionInfo cri;
cri.end=false;
cri.region=j;
text[p_line].region_info[i]=cri;
i+=lr-1;
break;
}
/* END */
lr=cr.end_key.length();
if (lr==0 || lr>left)
continue;
kc = cr.end_key.c_str();
match=true;
for(int k=0;k<lr;k++) {
if (kc[k]!=str[i+k]) {
match=false;
break;
}
}
if (match) {
ColorRegionInfo cri;
cri.end=true;
cri.region=j;
text[p_line].region_info[i]=cri;
i+=lr-1;
break;
}
}
}
}
const Map<int,TextEdit::Text::ColorRegionInfo>& TextEdit::Text::get_color_region_info(int p_line) {
Map<int,ColorRegionInfo> *cri=NULL;
ERR_FAIL_INDEX_V(p_line,text.size(),*cri); //enjoy your crash
if (text[p_line].width_cache==-1) {
_update_line_cache(p_line);
}
return text[p_line].region_info;
}
int TextEdit::Text::get_line_width(int p_line) const {
ERR_FAIL_INDEX_V(p_line,text.size(),-1);
if (text[p_line].width_cache==-1) {
_update_line_cache(p_line);
}
return text[p_line].width_cache;
}
void TextEdit::Text::clear_caches() {
for(int i=0;i<text.size();i++)
text[i].width_cache=-1;
}
void TextEdit::Text::clear() {
text.clear();;
insert(0,"");
}
int TextEdit::Text::get_max_width() const {
//quite some work.. but should be fast enough.
int max = 0;
for(int i=0;i<text.size();i++)
max=MAX(max,get_line_width(i));
return max;
}
void TextEdit::Text::set(int p_line,const String& p_text) {
ERR_FAIL_INDEX(p_line,text.size());
text[p_line].width_cache=-1;
text[p_line].data=p_text;
}
void TextEdit::Text::insert(int p_at,const String& p_text) {
Line line;
line.marked=false;
line.breakpoint=false;
line.width_cache=-1;
line.data=p_text;
text.insert(p_at,line);
}
void TextEdit::Text::remove(int p_at) {
text.remove(p_at);
}
void TextEdit::_update_scrollbars() {
Size2 size = get_size();
Size2 hmin = h_scroll->get_combined_minimum_size();
Size2 vmin = v_scroll->get_combined_minimum_size();
v_scroll->set_begin( Point2(size.width - vmin.width, cache.style_normal->get_margin(MARGIN_TOP)) );
v_scroll->set_end( Point2(size.width, size.height - cache.style_normal->get_margin(MARGIN_TOP) - cache.style_normal->get_margin(MARGIN_BOTTOM)) );
h_scroll->set_begin( Point2( 0, size.height - hmin.height) );
h_scroll->set_end( Point2(size.width-vmin.width, size.height) );
int hscroll_rows = ((hmin.height-1)/get_row_height())+1;
int visible_rows = get_visible_rows();
int total_rows = text.size() * cache.line_spacing;
int vscroll_pixels = v_scroll->get_combined_minimum_size().width;
int visible_width = size.width - cache.style_normal->get_minimum_size().width;
int total_width = text.get_max_width();
bool use_hscroll=true;
bool use_vscroll=true;
if (total_rows <= visible_rows && total_width <= visible_width) {
//thanks yessopie for this clever bit of logic
use_hscroll=false;
use_vscroll=false;
} else {
if (total_rows > visible_rows && total_width <= visible_width - vscroll_pixels) {
//thanks yessopie for this clever bit of logic
use_hscroll=false;
}
if (total_rows <= visible_rows - hscroll_rows && total_width > visible_width) {
//thanks yessopie for this clever bit of logic
use_vscroll=false;
}
}
updating_scrolls=true;
if (use_vscroll) {
v_scroll->show();
v_scroll->set_max(total_rows);
v_scroll->set_page(visible_rows);
v_scroll->set_val(cursor.line_ofs);
} else {
v_scroll->hide();
}
if (use_hscroll) {
h_scroll->show();
h_scroll->set_max(total_width);
h_scroll->set_page(visible_width);
h_scroll->set_val(cursor.x_ofs);
} else {
h_scroll->hide();
}
updating_scrolls=false;
}
void TextEdit::_notification(int p_what) {
switch(p_what) {
case NOTIFICATION_ENTER_SCENE: {
_update_caches();
if (cursor_changed_dirty)
MessageQueue::get_singleton()->push_call(this,"_cursor_changed_emit");
if (text_changed_dirty)
MessageQueue::get_singleton()->push_call(this,"_text_changed_emit");
} break;
case NOTIFICATION_RESIZED: {
cache.size=get_size();
adjust_viewport_to_cursor();
} break;
case NOTIFICATION_THEME_CHANGED: {
_update_caches();
};
case NOTIFICATION_DRAW: {
int line_number_char_count=0;
{
int lc=text.size()+1;
cache.line_number_w=0;
while(lc) {
cache.line_number_w+=1;
lc/=10;
};
if (line_numbers) {
line_number_char_count=cache.line_number_w;
cache.line_number_w=(cache.line_number_w+1)*cache.font->get_char_size('0').width;
} else {
cache.line_number_w=0;
}
}
_update_scrollbars();
RID ci = get_canvas_item();
int xmargin_beg=cache.style_normal->get_margin(MARGIN_LEFT)+cache.line_number_w;
int xmargin_end=cache.size.width-cache.style_normal->get_margin(MARGIN_RIGHT);
//let's do it easy for now:
cache.style_normal->draw(ci,Rect2(Point2(),cache.size));
if (has_focus())
cache.style_focus->draw(ci,Rect2(Point2(),cache.size));
int ascent=cache.font->get_ascent();
int visible_rows = get_visible_rows();
int tab_w = cache.font->get_char_size(' ').width*tab_size;
Color color = cache.font_color;
int in_region=-1;
if (syntax_coloring) {
if (custom_bg_color.a>0.01) {
Point2i ofs = Point2i(cache.style_normal->get_offset())/2.0;
VisualServer::get_singleton()->canvas_item_add_rect(ci,Rect2(ofs, get_size()-cache.style_normal->get_minimum_size()+ofs),custom_bg_color);
}
//compute actual region to start (may be inside say, a comment).
//slow in very large documments :( but ok for source!
for(int i=0;i<cursor.line_ofs;i++) {
const Map<int,Text::ColorRegionInfo>& cri_map=text.get_color_region_info(i);
if (in_region>=0 && color_regions[in_region].line_only) {
in_region=-1; //reset regions that end at end of line
}
for( const Map<int,Text::ColorRegionInfo>::Element* E= cri_map.front();E;E=E->next() ) {
const Text::ColorRegionInfo &cri=E->get();
if (in_region==-1) {
if (!cri.end) {
in_region=cri.region;
}
} else if (in_region==cri.region && !color_regions[cri.region].line_only) { //ignore otherwise
if (cri.end || color_regions[cri.region].eq) {
in_region=-1;
}
}
}
}
}
int deregion=0; //force it to clear inrgion
Point2 cursor_pos;
for (int i=0;i<visible_rows;i++) {
int line=i+cursor.line_ofs;
if (line<0 || line>=(int)text.size())
continue;
const String &str=text[line];
int char_margin=xmargin_beg-cursor.x_ofs;
int char_ofs=0;
int ofs_y=i*get_row_height()+cache.line_spacing/2;
bool prev_is_char=false;
bool in_keyword=false;
Color keyword_color;
if (cache.line_number_w) {
Color fcol = cache.font_color;
fcol.a*=0.4;
String fc = String::num(line+1);
while (fc.length() < line_number_char_count) {
fc="0"+fc;
}
cache.font->draw(ci,Point2(cache.style_normal->get_margin(MARGIN_LEFT),ofs_y+cache.font->get_ascent()),fc,fcol);
}
const Map<int,Text::ColorRegionInfo>& cri_map=text.get_color_region_info(line);
if (text.is_marked(line)) {
VisualServer::get_singleton()->canvas_item_add_rect(ci,Rect2(xmargin_beg, ofs_y,xmargin_end-xmargin_beg,get_row_height()),cache.mark_color);
}
if (text.is_breakpoint(line)) {
VisualServer::get_singleton()->canvas_item_add_rect(ci,Rect2(xmargin_beg, ofs_y,xmargin_end-xmargin_beg,get_row_height()),cache.breakpoint_color);
}
if (line==cursor.line) {
VisualServer::get_singleton()->canvas_item_add_rect(ci,Rect2(xmargin_beg, ofs_y,xmargin_end-xmargin_beg,get_row_height()),cache.current_line_color);
}
for (int j=0;j<str.length();j++) {
//look for keyword
if (deregion>0) {
deregion--;
if (deregion==0)
in_region=-1;
}
if (syntax_coloring && deregion==0) {
color = cache.font_color; //reset
//find keyword
bool is_char = _is_text_char(str[j]);
bool is_symbol=_is_symbol(str[j]);
if (j==0 && in_region>=0 && color_regions[in_region].line_only) {
in_region=-1; //reset regions that end at end of line
}
if (is_symbol && cri_map.has(j)) {
const Text::ColorRegionInfo &cri=cri_map[j];
if (in_region==-1) {
if (!cri.end) {
in_region=cri.region;
}
} else if (in_region==cri.region && !color_regions[cri.region].line_only) { //ignore otherwise
if (cri.end || color_regions[cri.region].eq) {
deregion=color_regions[cri.region].eq?color_regions[cri.region].begin_key.length():color_regions[cri.region].end_key.length();
}
}
}
if (!is_char)
in_keyword=false;
if (in_region==-1 && !in_keyword && is_char && !prev_is_char) {
int to=j;
while(_is_text_char(str[to]) && to<str.length())
to++;
uint32_t hash = String::hash(&str[j],to-j);
StrRange range(&str[j],to-j);
const Color *col=keywords.custom_getptr(range,hash);
if (col) {
in_keyword=true;
keyword_color=*col;
}
}
if (in_region>=0)
color=color_regions[in_region].color;
else if (in_keyword)
color=keyword_color;
else if (is_symbol)
color=symbol_color;
prev_is_char=is_char;
}
int char_w;
//handle tabulator
if (str[j]=='\t') {
int left = char_ofs%tab_w;
if (left==0)
char_w=tab_w;
else
char_w=tab_w-char_ofs%tab_w; // is right...
} else {
char_w=cache.font->get_char_size(str[j],str[j+1]).width;
}
if ( (char_ofs+char_margin)<xmargin_beg) {
char_ofs+=char_w;
continue;
}
if ( (char_ofs+char_margin+char_w)>=xmargin_end) {
if (syntax_coloring)
continue;
else
break;
}
bool in_selection = (selection.active && line>=selection.from_line && line<=selection.to_line && (line>selection.from_line || j>=selection.from_column) && (line<selection.to_line || j<selection.to_column));
if (in_selection) {
//inside selection!
VisualServer::get_singleton()->canvas_item_add_rect(ci,Rect2(Point2i( char_ofs+char_margin, ofs_y ), Size2i(char_w,get_row_height())),cache.selection_color);
}
if (str[j]>=32)
cache.font->draw_char(ci,Point2i( char_ofs+char_margin, ofs_y+ascent),str[j],str[j+1],in_selection?cache.font_selected_color:color);
else if (draw_tabs && str[j]=='\t') {
int yofs= (get_row_height() - cache.tab_icon->get_height())/2;
cache.tab_icon->draw(ci, Point2(char_ofs+char_margin,ofs_y+yofs),in_selection?cache.font_selected_color:color);
}
if (cursor.column==j && cursor.line==line) {
cursor_pos = Point2i( char_ofs+char_margin, ofs_y );
VisualServer::get_singleton()->canvas_item_add_rect(ci,Rect2(cursor_pos, Size2i(1,get_row_height())),cache.font_color);
}
char_ofs+=char_w;
}
if (cursor.column==str.length() && cursor.line==line) {
cursor_pos=Point2i( char_ofs+char_margin, ofs_y );
VisualServer::get_singleton()->canvas_item_add_rect(ci,Rect2(cursor_pos, Size2i(1,get_row_height())),cache.font_color);
}
}
if (completion_active) {
// code completion box
Ref<StyleBox> csb = get_stylebox("completion");
Ref<StyleBox> csel = get_stylebox("completion_selected");
int maxlines = get_constant("completion_lines");
int cmax_width = get_constant("completion_max_width")*cache.font->get_char_size('x').x;
Color existing = get_color("completion_existing");
int scrollw = get_constant("completion_scroll_width");
Color scrollc = get_color("completion_scroll_color");
int lines = MIN(completion_options.size(),maxlines);
int w=0;
int h=lines*get_row_height();
int nofs = cache.font->get_string_size(completion_base).width;
if (completion_options.size() < 50) {
for(int i=0;i<completion_options.size();i++) {
int w2=MIN(cache.font->get_string_size(completion_options[i]).x,cmax_width);
if (w2>w)
w=w2;
}
} else {
w=cmax_width;
}
int th = h + csb->get_minimum_size().y;
if (cursor_pos.y+get_row_height()+th > get_size().height) {
completion_rect.pos.y=cursor_pos.y-th;
} else {
completion_rect.pos.y=cursor_pos.y+get_row_height()+csb->get_offset().y;
}
if (cursor_pos.x-nofs+w+scrollw > get_size().width) {
completion_rect.pos.x=get_size().width-w-scrollw;
} else {
completion_rect.pos.x=cursor_pos.x-nofs;
}
completion_rect.size.width=w;
completion_rect.size.height=h;
if (completion_options.size()<=maxlines)
scrollw=0;
draw_style_box(csb,Rect2(completion_rect.pos-csb->get_offset(),completion_rect.size+csb->get_minimum_size()+Size2(scrollw,0)));
int line_from = CLAMP(completion_index - lines/2, 0, completion_options.size() - lines);
draw_style_box(csel,Rect2(Point2(completion_rect.pos.x,completion_rect.pos.y+(completion_index-line_from)*get_row_height()),Size2(completion_rect.size.width,get_row_height())));
draw_rect(Rect2(completion_rect.pos,Size2(nofs,completion_rect.size.height)),existing);
for(int i=0;i<lines;i++) {
int l = line_from + i;
ERR_CONTINUE( l < 0 || l>= completion_options.size());
draw_string(cache.font,Point2(completion_rect.pos.x,completion_rect.pos.y+i*get_row_height()+cache.font->get_ascent()),completion_options[l],cache.font_color,completion_rect.size.width);
}
if (scrollw) {
//draw a small scroll rectangle to show a position in the options
float r = maxlines / (float)completion_options.size();
float o = line_from / (float)completion_options.size();
draw_rect(Rect2(completion_rect.pos.x+completion_rect.size.width,completion_rect.pos.y+o*completion_rect.size.y,scrollw,completion_rect.size.y*r),scrollc);
}
completion_line_ofs=line_from;
}
} break;
case NOTIFICATION_FOCUS_ENTER: {
if (OS::get_singleton()->has_virtual_keyboard())
OS::get_singleton()->show_virtual_keyboard(get_text(),get_global_rect());
} break;
case NOTIFICATION_FOCUS_EXIT: {
if (OS::get_singleton()->has_virtual_keyboard())
OS::get_singleton()->hide_virtual_keyboard();
} break;
}
}
void TextEdit::backspace_at_cursor() {
if (cursor.column==0 && cursor.line==0)
return;
int prev_line = cursor.column?cursor.line:cursor.line-1;
int prev_column = cursor.column?(cursor.column-1):(text[cursor.line-1].length());
_remove_text(prev_line,prev_column,cursor.line,cursor.column);
cursor_set_line(prev_line);
cursor_set_column(prev_column);
}
bool TextEdit::_get_mouse_pos(const Point2i& p_mouse, int &r_row, int &r_col) const {
int row=p_mouse.y;
row-=cache.style_normal->get_margin(MARGIN_TOP);
row/=get_row_height();
if (row<0 || row>=get_visible_rows())
return false;
row+=cursor.line_ofs;
int col=0;
if (row>=text.size()) {
row=text.size()-1;
col=text[row].size();
} else {
col=p_mouse.x-(cache.style_normal->get_margin(MARGIN_LEFT)+cache.line_number_w);
col+=cursor.x_ofs;
col=get_char_pos_for( col, get_line(row) );
}
r_row=row;
r_col=col;
return true;
}
void TextEdit::_input_event(const InputEvent& p_input_event) {
switch(p_input_event.type) {
case InputEvent::MOUSE_BUTTON: {
const InputEventMouseButton &mb=p_input_event.mouse_button;
if (completion_active && completion_rect.has_point(Point2(mb.x,mb.y))) {
if (!mb.pressed)
return;
if (mb.button_index==BUTTON_WHEEL_UP) {
if (completion_index>0) {
completion_index--;
completion_current=completion_options[completion_index];
update();
}
}
if (mb.button_index==BUTTON_WHEEL_DOWN) {
if (completion_index<completion_options.size()-1) {
completion_index++;
completion_current=completion_options[completion_index];
update();
}
}
if (mb.button_index==BUTTON_LEFT) {
completion_index=CLAMP(completion_line_ofs+(mb.y-completion_rect.pos.y)/get_row_height(),0,completion_options.size()-1);
completion_current=completion_options[completion_index];
update();
if (mb.doubleclick)
_confirm_completion();
}
return;
} else {
_cancel_completion();
}
if (mb.pressed) {
if (mb.button_index==BUTTON_WHEEL_UP) {
v_scroll->set_val( v_scroll->get_val() -3 );
}
if (mb.button_index==BUTTON_WHEEL_DOWN) {
v_scroll->set_val( v_scroll->get_val() +3 );
}
if (mb.button_index==BUTTON_LEFT) {
int row,col;
if (!_get_mouse_pos(Point2i(mb.x,mb.y), row,col))
return;
cursor_set_line( row );
cursor_set_column( col );
//if sel active and dblick last time < something
//else
selection.active=false;
selection.selecting_mode=Selection::MODE_POINTER;
selection.selecting_line=row;
selection.selecting_column=col;
if (!mb.doubleclick && (OS::get_singleton()->get_ticks_msec()-last_dblclk)<600) {
//tripleclick select line
select(cursor.line,0,cursor.line,text[cursor.line].length());
last_dblclk=0;
} else if (mb.doubleclick && text[cursor.line].length()) {
//doubleclick select world
String s = text[cursor.line];
int beg=CLAMP(cursor.column,0,s.length());
int end=beg;
if (s[beg]>32 || beg==s.length()) {
bool symbol = beg < s.length() && _is_symbol(s[beg]); //not sure if right but most editors behave like this
while(beg>0 && s[beg-1]>32 && (symbol==_is_symbol(s[beg-1]))) {
beg--;
}
while(end<s.length() && s[end+1]>32 && (symbol==_is_symbol(s[end+1]))) {
end++;
}
if (end<s.length())
end+=1;
select(cursor.line,beg,cursor.line,end);
}
last_dblclk = OS::get_singleton()->get_ticks_msec();
}
update();
}
} else {
selection.selecting_mode=Selection::MODE_NONE;
}
} break;
case InputEvent::MOUSE_MOTION: {
const InputEventMouseMotion &mm=p_input_event.mouse_motion;
if (mm.button_mask&BUTTON_MASK_LEFT) {
int row,col;
if (!_get_mouse_pos(Point2i(mm.x,mm.y), row,col))
return;
if (selection.selecting_mode==Selection::MODE_POINTER) {
select(selection.selecting_line,selection.selecting_column,row,col);
cursor_set_line( row );
cursor_set_column( col );
update();
}
}
} break;
case InputEvent::KEY: {
InputEventKey k=p_input_event.key;
if (!k.pressed)
return;
if (completion_active) {
bool valid=true;
if (k.mod.command || k.mod.alt || k.mod.meta)
valid=false;
if (valid) {
if (k.scancode==KEY_UP) {
if (completion_index>0) {
completion_index--;
completion_current=completion_options[completion_index];
update();
}
accept_event();
return;
}
if (k.scancode==KEY_DOWN) {
if (completion_index<completion_options.size()-1) {
completion_index++;
completion_current=completion_options[completion_index];
update();
}
accept_event();
return;
}
if (k.scancode==KEY_PAGEUP) {
completion_index-=get_constant("completion_lines");
if (completion_index<0)
completion_index=0;
completion_current=completion_options[completion_index];
update();
accept_event();
return;
}
if (k.scancode==KEY_PAGEDOWN) {
completion_index+=get_constant("completion_lines");
if (completion_index>=completion_options.size())
completion_index=completion_options.size()-1;
completion_current=completion_options[completion_index];
update();
accept_event();
return;
}
if (k.scancode==KEY_HOME) {
completion_index=0;
completion_current=completion_options[completion_index];
update();
accept_event();
return;
}
if (k.scancode==KEY_END) {
completion_index=completion_options.size()-1;
completion_current=completion_options[completion_index];
update();
accept_event();
return;
}
if (k.scancode==KEY_DOWN) {
if (completion_index<completion_options.size()-1) {
completion_index++;
completion_current=completion_options[completion_index];
update();
}
accept_event();
return;
}
if (k.scancode==KEY_RETURN) {
_confirm_completion();
accept_event();
return;
}
if (k.scancode==KEY_BACKSPACE) {
backspace_at_cursor();
_update_completion_candidates();
accept_event();
return;
}
if (k.scancode==KEY_SHIFT) {
accept_event();
return;
}
if (k.unicode>32) {
if (cursor.column<text[cursor.line].length() && text[cursor.line][cursor.column]==k.unicode) {
//same char, move ahead
cursor_set_column(cursor.column+1);
} else {
//different char, go back
const CharType chr[2] = {k.unicode, 0};
_insert_text_at_cursor(chr);
}
_update_completion_candidates();
accept_event();
return;
}
}
_cancel_completion();
}
/* TEST CONTROL FIRST!! */
// some remaps for duplicate functions..
if (k.mod.command && !k.mod.shift && !k.mod.alt && !k.mod.meta && k.scancode==KEY_INSERT) {
k.scancode=KEY_C;
}
if (!k.mod.command && k.mod.shift && !k.mod.alt && !k.mod.meta && k.scancode==KEY_INSERT) {
k.scancode=KEY_V;
k.mod.command=true;
k.mod.shift=false;
}
// stuff to do when selection is active..
if (selection.active) {
bool clear=false;
bool unselect=false;
bool dobreak=false;
switch(k.scancode) {
case KEY_TAB: {
String txt = _base_get_text(selection.from_line,selection.from_column,selection.to_line,selection.to_column);
String prev_txt=txt;
if (k.mod.shift) {
for(int i=0;i<txt.length();i++) {
if (((i>0 && txt[i-1]=='\n') || (i==0 && selection.from_column==0)) && (txt[i]=='\t' || txt[i]==' ')) {
txt.remove(i);
//i--;
}
}
} else {
for(int i=0;i<txt.length();i++) {
if (((i>0 && txt[i-1]=='\n') || (i==0 && selection.from_column==0))) {
txt=txt.insert(i,"\t");
//i--;
}
}
}
if (txt!=prev_txt) {
int sel_line=selection.from_line;
int sel_column=selection.from_column;
cursor_set_line(selection.from_line);
cursor_set_column(selection.from_column);
_remove_text(selection.from_line,selection.from_column,selection.to_line,selection.to_column);
_insert_text_at_cursor(txt);
selection.active=true;
selection.from_column=sel_column;
selection.from_line=sel_line;
selection.to_column=cursor.column;
selection.to_line=cursor.line;
update();
}
dobreak=true;
accept_event();
} break;
case KEY_X:
case KEY_C:
//special keys often used with control, wait...
clear=(!k.mod.command || k.mod.shift || k.mod.alt );
break;
case KEY_DELETE:
case KEY_BACKSPACE:
accept_event();
clear=true; dobreak=true;
break;
case KEY_LEFT:
case KEY_RIGHT:
case KEY_UP:
case KEY_DOWN:
case KEY_PAGEUP:
case KEY_PAGEDOWN:
case KEY_HOME:
case KEY_END:
if (k.mod.shift) // if selecting ignore
break;
unselect=true;
break;
default:
if (k.unicode>=32 && !k.mod.command && !k.mod.alt && !k.mod.meta)
clear=true;
}
if (unselect) {
selection.active=false;
selection.selecting_mode=Selection::MODE_NONE;
update();
}
if (clear) {
selection.active=false;
update();
_remove_text(selection.from_line,selection.from_column,selection.to_line,selection.to_column);
cursor_set_line(selection.from_line);
cursor_set_column(selection.from_column);
update();
}
if (dobreak)
break;
}
selection.selecting_test=false;
bool scancode_handled=true;
// special scancode test...
switch (k.scancode) {
case KEY_ENTER:
case KEY_RETURN: {
String ins="\n";
//keep indentation
for(int i=0;i<text[cursor.line].length();i++) {
if (text[cursor.line][i]=='\t')
ins+="\t";
else
break;
}
_insert_text_at_cursor(ins);
_push_current_op();
} break;
case KEY_TAB: {
if (readonly)
break;
if (selection.active) {
} else {
if (k.mod.shift) {
int cc = cursor.column;
if (cc>0 && cc<=text[cursor.line].length() && text[cursor.line][cursor.column-1]=='\t') {
//simple unindent
backspace_at_cursor();
}
} else {
//simple indent
_insert_text_at_cursor("\t");
}
}
} break;
case KEY_BACKSPACE: {
if (readonly)
break;
backspace_at_cursor();
} break;
case KEY_LEFT: {
if (k.mod.shift)
_pre_shift_selection();
#ifdef APPLE_STYLE_KEYS
if (k.mod.command) {
cursor_set_column(0);
} else if (k.mod.alt) {
#else
if (k.mod.command) {
#endif
bool prev_char=false;
int cc=cursor.column;
while (cc>0) {
bool ischar=_is_text_char(text[cursor.line][cc-1]);
if (prev_char && !ischar)
break;
prev_char=ischar;
cc--;
}
cursor_set_column(cc);
} else if (cursor.column==0) {
if (cursor.line>0) {
cursor_set_line(cursor.line-1);
cursor_set_column(text[cursor.line].length());
}
} else {
cursor_set_column(cursor_get_column()-1);
}
if (k.mod.shift)
_post_shift_selection();
} break;
case KEY_RIGHT: {
if (k.mod.shift)
_pre_shift_selection();
#ifdef APPLE_STYLE_KEYS
if (k.mod.command) {
cursor_set_column(text[cursor.line].length());
} else if (k.mod.alt) {
#else
if (k.mod.command) {
#endif
bool prev_char=false;
int cc=cursor.column;
while (cc<text[cursor.line].length()) {
bool ischar=_is_text_char(text[cursor.line][cc]);
if (prev_char && !ischar)
break;
prev_char=ischar;
cc++;
}
cursor_set_column(cc);
} else if (cursor.column==text[cursor.line].length()) {
if (cursor.line<text.size()-1) {
cursor_set_line(cursor.line+1);
cursor_set_column(0);
}
} else {
cursor_set_column(cursor_get_column()+1);
}
if (k.mod.shift)
_post_shift_selection();
} break;
case KEY_UP: {
if (k.mod.shift)
_pre_shift_selection();
#ifdef APPLE_STYLE_KEYS
if (k.mod.command)
cursor_set_line(0);
else
#endif
cursor_set_line(cursor_get_line()-1);
if (k.mod.shift)
_post_shift_selection();
} break;
case KEY_DOWN: {
if (k.mod.shift)
_pre_shift_selection();
#ifdef APPLE_STYLE_KEYS
if (k.mod.command)
cursor_set_line(text.size()-1);
else
#endif
cursor_set_line(cursor_get_line()+1);
if (k.mod.shift)
_post_shift_selection();
} break;
case KEY_DELETE: {
if (readonly)
break;
int curline_len = text[cursor.line].length();
if (cursor.line==text.size()-1 && cursor.column==curline_len)
break; //nothing to do
int next_line = cursor.column<curline_len?cursor.line:cursor.line+1;
int next_column = cursor.column<curline_len?(cursor.column+1):0;
_remove_text(cursor.line,cursor.column,next_line,next_column);
update();
} break;
#ifdef APPLE_STYLE_KEYS
case KEY_HOME: {
if (k.mod.shift)
_pre_shift_selection();
cursor_set_line(0);
if (k.mod.shift)
_post_shift_selection();
} break;
case KEY_END: {
if (k.mod.shift)
_pre_shift_selection();
cursor_set_line(text.size()-1);
if (k.mod.shift)
_post_shift_selection();
} break;
#else
case KEY_HOME: {
if (k.mod.shift)
_pre_shift_selection();
cursor_set_column(0);
if (k.mod.command)
cursor_set_line(0);
if (k.mod.shift)
_post_shift_selection();
} break;
case KEY_END: {
if (k.mod.shift)
_pre_shift_selection();
if (k.mod.command)
cursor_set_line(text.size()-1);
cursor_set_column(text[cursor.line].length());
if (k.mod.shift)
_post_shift_selection();
} break;
#endif
case KEY_PAGEUP: {
if (k.mod.shift)
_pre_shift_selection();
cursor_set_line(cursor_get_line()-get_visible_rows());
if (k.mod.shift)
_post_shift_selection();
} break;
case KEY_PAGEDOWN: {
if (k.mod.shift)
_pre_shift_selection();
cursor_set_line(cursor_get_line()+get_visible_rows());
if (k.mod.shift)
_post_shift_selection();
} break;
case KEY_A: {
if (!k.mod.command || k.mod.shift || k.mod.alt) {
scancode_handled=false;
break;
}
if (text.size()==1 && text[0].length()==0)
break;
selection.active=true;
selection.from_line=0;
selection.from_column=0;
selection.to_line=text.size()-1;
selection.to_column=text[selection.to_line].size();
selection.selecting_mode=Selection::MODE_NONE;
update();
} break;
case KEY_X: {
if (!k.mod.command || k.mod.shift || k.mod.alt) {
scancode_handled=false;
break;
}
if (!selection.active)
break;
String clipboard = _base_get_text(selection.from_line,selection.from_column,selection.to_line,selection.to_column);
OS::get_singleton()->set_clipboard(clipboard);
cursor_set_line(selection.from_line);
cursor_set_column(selection.from_column);
_remove_text(selection.from_line,selection.from_column,selection.to_line,selection.to_column);
selection.active=false;
selection.selecting_mode=Selection::MODE_NONE;
update();
} break;
case KEY_C: {
if (!k.mod.command || k.mod.shift || k.mod.alt) {
scancode_handled=false;
break;
}
if (!selection.active)
break;
String clipboard = _base_get_text(selection.from_line,selection.from_column,selection.to_line,selection.to_column);
OS::get_singleton()->set_clipboard(clipboard);
} break;
case KEY_Z: {
if (!k.mod.command) {
scancode_handled=false;
break;
}
if (k.mod.shift)
redo();
else
undo();
} break;
case KEY_V: {
if (!k.mod.command || k.mod.shift || k.mod.alt) {
scancode_handled=false;
break;
}
String clipboard = OS::get_singleton()->get_clipboard();
if (selection.active) {
selection.active=false;
_remove_text(selection.from_line,selection.from_column,selection.to_line,selection.to_column);
cursor_set_line(selection.from_line);
cursor_set_column(selection.from_column);
}
_insert_text_at_cursor(clipboard);
update();
} break;
case KEY_SPACE: {
if (completion_enabled && k.mod.command) {
query_code_comple();
scancode_handled=true;
} else {
scancode_handled=false;
}
} break;
default: {
scancode_handled=false;
} break;
}
if (scancode_handled)
accept_event();
if (!scancode_handled && !k.mod.command && !k.mod.alt) {
if (k.unicode>=32) {
if (readonly)
break;
const CharType chr[2] = {k.unicode, 0};
_insert_text_at_cursor(chr);
accept_event();
} else {
break;
}
}
if (!selection.selecting_test) {
selection.selecting_mode=Selection::MODE_NONE;
}
return;
} break;
}
}
void TextEdit::_pre_shift_selection() {
if (!selection.active || selection.selecting_mode!=Selection::MODE_SHIFT) {
selection.selecting_line=cursor.line;
selection.selecting_column=cursor.column;
selection.active=true;
selection.selecting_mode=Selection::MODE_SHIFT;
}
}
void TextEdit::_post_shift_selection() {
if (selection.active && selection.selecting_mode==Selection::MODE_SHIFT) {
select(selection.selecting_line,selection.selecting_column,cursor.line,cursor.column);
update();
}
selection.selecting_test=true;
}
/**** TEXT EDIT CORE API ****/
void TextEdit::_base_insert_text(int p_line, int p_char,const String& p_text,int &r_end_line,int &r_end_column) {
//save for undo...
ERR_FAIL_INDEX(p_line,text.size());
ERR_FAIL_COND(p_char<0);
/* STEP 1 add spaces if the char is greater than the end of the line */
while(p_char>text[p_line].length()) {
text.set(p_line,text[p_line]+String::chr(' '));
}
/* STEP 2 separate dest string in pre and post text */
String preinsert_text = text[p_line].substr(0,p_char);
String postinsert_text = text[p_line].substr(p_char,text[p_line].size());
/* STEP 3 remove \r from source text and separate in substrings */
//buh bye \r and split
Vector<String> substrings = p_text.replace("\r","").split("\n");
for(int i=0;i<substrings.size();i++) {
//insert the substrings
if (i==0) {
text.set(p_line,preinsert_text+substrings[i]);
} else {
text.insert(p_line+i,substrings[i]);
}
if (i==substrings.size()-1){
text.set(p_line+i,text[p_line+i]+postinsert_text);
}
}
r_end_line=p_line+substrings.size()-1;
r_end_column=text[r_end_line].length()-postinsert_text.length();
if (!text_changed_dirty && !setting_text) {
if (is_inside_scene())
MessageQueue::get_singleton()->push_call(this,"_text_changed_emit");
text_changed_dirty=true;
}
}
String TextEdit::_base_get_text(int p_from_line, int p_from_column,int p_to_line,int p_to_column) const {
ERR_FAIL_INDEX_V(p_from_line,text.size(),String());
ERR_FAIL_INDEX_V(p_from_column,text[p_from_line].length()+1,String());
ERR_FAIL_INDEX_V(p_to_line,text.size(),String());
ERR_FAIL_INDEX_V(p_to_column,text[p_to_line].length()+1,String());
ERR_FAIL_COND_V(p_to_line < p_from_line ,String()); // from > to
ERR_FAIL_COND_V(p_to_line == p_from_line && p_to_column<p_from_column,String()); // from > to
String ret;
for(int i=p_from_line;i<=p_to_line;i++) {
int begin = (i==p_from_line)?p_from_column:0;
int end = (i==p_to_line)?p_to_column:text[i].length();
if (i>p_from_line)
ret+="\n";
ret+=text[i].substr(begin,end-begin);
}
return ret;
}
void TextEdit::_base_remove_text(int p_from_line, int p_from_column,int p_to_line,int p_to_column) {
ERR_FAIL_INDEX(p_from_line,text.size());
ERR_FAIL_INDEX(p_from_column,text[p_from_line].length()+1);
ERR_FAIL_INDEX(p_to_line,text.size());
ERR_FAIL_INDEX(p_to_column,text[p_to_line].length()+1);
ERR_FAIL_COND(p_to_line < p_from_line ); // from > to
ERR_FAIL_COND(p_to_line == p_from_line && p_to_column<p_from_column); // from > to
String pre_text = text[p_from_line].substr(0,p_from_column);
String post_text = text[p_to_line].substr(p_to_column,text[p_to_line].length());
for(int i=p_from_line;i<p_to_line;i++) {
text.remove(p_from_line+1);
}
text.set(p_from_line,pre_text+post_text);
if (!text_changed_dirty && !setting_text) {
if (is_inside_scene())
MessageQueue::get_singleton()->push_call(this,"_text_changed_emit");
text_changed_dirty=true;
}
}
void TextEdit::_insert_text(int p_line, int p_char,const String& p_text,int *r_end_line,int *r_end_column) {
if (!setting_text)
idle_detect->start();
if (undo_enabled) {
_clear_redo();
}
int retline,retchar;
_base_insert_text(p_line,p_char,p_text,retline,retchar);
if (r_end_line)
*r_end_line=retline;
if (r_end_column)
*r_end_column=retchar;
if (!undo_enabled)
return;
/* UNDO!! */
TextOperation op;
op.type=TextOperation::TYPE_INSERT;
op.from_line=p_line;
op.from_column=p_char;
op.to_line=retline;
op.to_column=retchar;
op.text=p_text;
op.version=++version;
op.chain_forward=false;
op.chain_backward=false;
//see if it shold just be set as current op
if (current_op.type!=op.type) {
_push_current_op();
current_op=op;
return; //set as current op, return
}
//see if it can be merged
if (current_op.to_line!=p_line || current_op.to_column!=p_char) {
_push_current_op();
current_op=op;
return; //set as current op, return
}
//merge current op
current_op.text+=p_text;
current_op.to_column=retchar;
current_op.to_line=retline;
current_op.version=op.version;
}
void TextEdit::_remove_text(int p_from_line, int p_from_column,int p_to_line,int p_to_column) {
if (!setting_text)
idle_detect->start();
String text;
if (undo_enabled) {
_clear_redo();
text=_base_get_text(p_from_line,p_from_column,p_to_line,p_to_column);
}
_base_remove_text(p_from_line,p_from_column,p_to_line,p_to_column);
if (!undo_enabled)
return;
/* UNDO!! */
TextOperation op;
op.type=TextOperation::TYPE_REMOVE;
op.from_line=p_from_line;
op.from_column=p_from_column;
op.to_line=p_to_line;
op.to_column=p_to_column;
op.text=text;
op.version=++version;
op.chain_forward=false;
op.chain_backward=false;
//see if it shold just be set as current op
if (current_op.type!=op.type) {
_push_current_op();
current_op=op;
return; //set as current op, return
}
//see if it can be merged
if (current_op.from_line==p_to_line && current_op.from_column==p_to_column) {
//basckace or similar
current_op.text=text+current_op.text;
current_op.from_line=p_from_line;
current_op.from_column=p_from_column;
return; //update current op
}
if (current_op.from_line==p_from_line && current_op.from_column==p_from_column) {
//current_op.text=text+current_op.text;
//current_op.from_line=p_from_line;
//current_op.from_column=p_from_column;
//return; //update current op
}
_push_current_op();
current_op=op;
}
void TextEdit::_insert_text_at_cursor(const String& p_text) {
int new_column,new_line;
_insert_text(cursor.line,cursor.column,p_text,&new_line,&new_column);
cursor_set_line(new_line);
cursor_set_column(new_column);
update();
}
int TextEdit::get_char_count() {
int totalsize=0;
for (int i=0;i<text.size();i++) {
if (i>0)
totalsize++; // incliude \n
totalsize+=text[i].length();
}
return totalsize; // omit last \n
}
Size2 TextEdit::get_minimum_size() {
return cache.style_normal->get_minimum_size();
}
int TextEdit::get_visible_rows() const {
int total=cache.size.height;
total-=cache.style_normal->get_minimum_size().height;
total/=get_row_height();
return total;
}
void TextEdit::adjust_viewport_to_cursor() {
if (cursor.line_ofs>cursor.line)
cursor.line_ofs=cursor.line;
int visible_width=cache.size.width-cache.style_normal->get_minimum_size().width-cache.line_number_w;
if (v_scroll->is_visible())
visible_width-=v_scroll->get_combined_minimum_size().width;
visible_width-=20; // give it a little more space
//printf("rowofs %i, visrows %i, cursor.line %i\n",cursor.line_ofs,get_visible_rows(),cursor.line);
int visible_rows = get_visible_rows();
if (h_scroll->is_visible())
visible_rows-=((h_scroll->get_combined_minimum_size().height-1)/get_row_height());
if (cursor.line>=(cursor.line_ofs+visible_rows))
cursor.line_ofs=cursor.line-visible_rows+1;
if (cursor.line<cursor.line_ofs)
cursor.line_ofs=cursor.line;
int cursor_x = get_column_x_offset( cursor.column, text[cursor.line] );
if (cursor_x>(cursor.x_ofs+visible_width))
cursor.x_ofs=cursor_x-visible_width+1;
if (cursor_x < cursor.x_ofs)
cursor.x_ofs=cursor_x;
update();
/*
get_range()->set_max(text.size());
get_range()->set_page(get_visible_rows());
get_range()->set((int)cursor.line_ofs);
*/
}
void TextEdit::cursor_set_column(int p_col) {
if (p_col<0)
p_col=0;
cursor.column=p_col;
if (cursor.column > get_line( cursor.line ).length())
cursor.column=get_line( cursor.line ).length();
cursor.last_fit_x=get_column_x_offset(cursor.column,get_line(cursor.line));
adjust_viewport_to_cursor();
if (!cursor_changed_dirty) {
if (is_inside_scene())
MessageQueue::get_singleton()->push_call(this,"_cursor_changed_emit");
cursor_changed_dirty=true;
}
}
void TextEdit::cursor_set_line(int p_row) {
if (setting_row)
return;
setting_row=true;
if (p_row<0)
p_row=0;
if (p_row>=(int)text.size())
p_row=(int)text.size()-1;
cursor.line=p_row;
cursor.column=get_char_pos_for( cursor.last_fit_x, get_line( cursor.line) );
adjust_viewport_to_cursor();
setting_row=false;
if (!cursor_changed_dirty) {
if (is_inside_scene())
MessageQueue::get_singleton()->push_call(this,"_cursor_changed_emit");
cursor_changed_dirty=true;
}
}
int TextEdit::cursor_get_column() const {
return cursor.column;
}
int TextEdit::cursor_get_line() const {
return cursor.line;
}
void TextEdit::_scroll_moved(double p_to_val) {
if (updating_scrolls)
return;
if (h_scroll->is_visible())
cursor.x_ofs=h_scroll->get_val();
if (v_scroll->is_visible())
cursor.line_ofs=v_scroll->get_val();
update();
}
int TextEdit::get_row_height() const {
return cache.font->get_height()+cache.line_spacing;
}
int TextEdit::get_char_pos_for(int p_px,String p_str) const {
int px=0;
int c=0;
int tab_w = cache.font->get_char_size(' ').width*tab_size;
while (c<p_str.length()) {
int w=0;
if (p_str[c]=='\t') {
int left = px%tab_w;
if (left==0)
w=tab_w;
else
w=tab_w-px%tab_w; // is right...
} else {
w=cache.font->get_char_size(p_str[c],p_str[c+1]).width;
}
if (p_px<(px+w/2))
break;
px+=w;
c++;
}
return c;
}
int TextEdit::get_column_x_offset(int p_char,String p_str) {
int px=0;
int tab_w = cache.font->get_char_size(' ').width*tab_size;
for (int i=0;i<p_char;i++) {
if (i>=p_str.length())
break;
if (p_str[i]=='\t') {
int left = px%tab_w;
if (left==0)
px+=tab_w;
else
px+=tab_w-px%tab_w; // is right...
} else {
px+=cache.font->get_char_size(p_str[i],p_str[i+1]).width;
}
}
return px;
}
void TextEdit::insert_text_at_cursor(const String& p_text) {
if (selection.active) {
cursor_set_line(selection.from_line);
cursor_set_column(selection.from_column);
_remove_text(selection.from_line,selection.from_column,selection.to_line,selection.to_column);
selection.active=false;
selection.selecting_mode=Selection::MODE_NONE;
}
_insert_text_at_cursor(p_text);
update();
}
void TextEdit::set_text(String p_text){
setting_text=true;
_clear();
_insert_text_at_cursor(p_text);
cursor.column=0;
cursor.line=0;
cursor.x_ofs=0;
cursor.line_ofs=0;
cursor.last_fit_x=0;
cursor_set_line(0);
cursor_set_column(0);
update();
setting_text=false;
//get_range()->set(0);
};
String TextEdit::get_text() {
String longthing;
int len = text.size();
for (int i=0;i<len;i++) {
longthing+=text[i];
if (i!=len-1)
longthing+="\n";
}
return longthing;
};
String TextEdit::get_line(int line) const {
if (line<0 || line>=text.size())
return "";
return text[line];
};
void TextEdit::_clear() {
clear_undo_history();
text.clear();
cursor.column=0;
cursor.line=0;
cursor.x_ofs=0;
cursor.line_ofs=0;
cursor.last_fit_x=0;
}
void TextEdit::clear() {
setting_text=true;
_clear();
setting_text=false;
};
void TextEdit::set_readonly(bool p_readonly) {
readonly=p_readonly;
}
void TextEdit::set_wrap(bool p_wrap) {
wrap=p_wrap;
}
void TextEdit::set_max_chars(int p_max_chars) {
max_chars=p_max_chars;
}
void TextEdit::_update_caches() {
cache.style_normal=get_stylebox("normal");
cache.style_focus=get_stylebox("focus");
cache.font=get_font("font");
cache.font_color=get_color("font_color");
cache.font_selected_color=get_color("font_selected_color");
cache.keyword_color=get_color("keyword_color");
cache.selection_color=get_color("selection_color");
cache.mark_color=get_color("mark_color");
cache.current_line_color=get_color("current_line_color");
cache.breakpoint_color=get_color("breakpoint_color");
cache.line_spacing=get_constant("line_spacing");
cache.row_height = cache.font->get_height() + cache.line_spacing;
cache.tab_icon=get_icon("tab");
text.set_font(cache.font);
}
void TextEdit::clear_colors() {
keywords.clear();
color_regions.clear();;
text.clear_caches();
custom_bg_color=Color(0,0,0,0);
}
void TextEdit::set_custom_bg_color(const Color& p_color) {
custom_bg_color=p_color;
update();
}
void TextEdit::add_keyword_color(const String& p_keyword,const Color& p_color) {
keywords[p_keyword]=p_color;
update();
}
void TextEdit::add_color_region(const String& p_begin_key,const String& p_end_key,const Color &p_color,bool p_line_only) {
color_regions.push_back(ColorRegion(p_begin_key,p_end_key,p_color,p_line_only));
text.clear_caches();
update();
}
void TextEdit::set_symbol_color(const Color& p_color) {
symbol_color=p_color;
update();
}
void TextEdit::set_syntax_coloring(bool p_enabled) {
syntax_coloring=p_enabled;
update();
}
bool TextEdit::is_syntax_coloring_enabled() const {
return syntax_coloring;
}
void TextEdit::cut() {
if (!selection.active)
return;
String clipboard = _base_get_text(selection.from_line,selection.from_column,selection.to_line,selection.to_column);
OS::get_singleton()->set_clipboard(clipboard);
cursor_set_line(selection.from_line);
cursor_set_column(selection.from_column);
_remove_text(selection.from_line,selection.from_column,selection.to_line,selection.to_column);
selection.active=false;
selection.selecting_mode=Selection::MODE_NONE;
update();
}
void TextEdit::copy() {
if (!selection.active)
return;
String clipboard = _base_get_text(selection.from_line,selection.from_column,selection.to_line,selection.to_column);
OS::get_singleton()->set_clipboard(clipboard);
}
void TextEdit::paste() {
if (selection.active) {
cursor_set_line(selection.from_line);
cursor_set_column(selection.from_column);
_remove_text(selection.from_line,selection.from_column,selection.to_line,selection.to_column);
selection.active=false;
selection.selecting_mode=Selection::MODE_NONE;
}
String clipboard = OS::get_singleton()->get_clipboard();
_insert_text_at_cursor(clipboard);
update();
}
void TextEdit::select_all() {
if (text.size()==1 && text[0].length()==0)
return;
selection.active=true;
selection.from_line=0;
selection.from_column=0;
selection.to_line=text.size()-1;
selection.to_column=text[selection.to_line].size();
selection.selecting_mode=Selection::MODE_NONE;
update();
}
void TextEdit::deselect() {
selection.active=false;
update();
}
void TextEdit::select(int p_from_line,int p_from_column,int p_to_line,int p_to_column) {
if (p_from_line>=text.size())
p_from_line=text.size()-1;
if (p_from_column>=text[p_from_line].length())
p_from_column=text[p_from_line].length();
if (p_to_line>=text.size())
p_to_line=text.size()-1;
if (p_to_column>=text[p_to_line].length())
p_to_column=text[p_to_line].length();
selection.from_line=p_from_line;
selection.from_column=p_from_column;
selection.to_line=p_to_line;
selection.to_column=p_to_column;
selection.active=true;
if (selection.from_line==selection.to_line) {
if (selection.from_column==selection.to_column) {
selection.active=false;
} else if (selection.from_column>selection.to_column) {
SWAP( selection.from_column, selection.to_column );
}
} else if (selection.from_line>selection.to_line) {
SWAP( selection.from_line, selection.to_line );
SWAP( selection.from_column, selection.to_column );
}
update();
}
bool TextEdit::is_selection_active() const {
return selection.active;
}
int TextEdit::get_selection_from_line() const {
ERR_FAIL_COND_V(!selection.active,-1);
return selection.from_line;
}
int TextEdit::get_selection_from_column() const {
ERR_FAIL_COND_V(!selection.active,-1);
return selection.from_column;
}
int TextEdit::get_selection_to_line() const {
ERR_FAIL_COND_V(!selection.active,-1);
return selection.to_line;
}
int TextEdit::get_selection_to_column() const {
ERR_FAIL_COND_V(!selection.active,-1);
return selection.to_column;
}
String TextEdit::get_selection_text() const {
if (!selection.active)
return "";
return _base_get_text(selection.from_line,selection.from_column,selection.to_line,selection.to_column);
}
DVector<int> TextEdit::_search_bind(const String &p_key,uint32_t p_search_flags, int p_from_line,int p_from_column) const {
int col,line;
if (search(p_key,p_search_flags,p_from_line,p_from_column,col,line)) {
DVector<int> result;
result.resize(2);
result.set(0,line);
result.set(1,col);
return result;
} else {
return DVector<int>();
}
}
bool TextEdit::search(const String &p_key,uint32_t p_search_flags, int p_from_line, int p_from_column,int &r_line,int &r_column) const {
if (p_key.length()==0)
return false;
ERR_FAIL_INDEX_V(p_from_line,text.size(),false);
ERR_FAIL_INDEX_V(p_from_column,text[p_from_line].length()+1,false);
//search through the whole documment, but start by current line
int line=-1;
int pos=-1;
for(int i=0;i<text.size()+1;i++) {
//backwards is broken...
int idx=(p_search_flags&SEARCH_BACKWARDS)?(text.size()-i):i; //do backwards seearch
line = (idx+p_from_line)%text.size();
String text_line = text[line];
int from_column=(idx==0)?p_from_column:0;
if (idx==text.size()) {
text_line=text_line.substr(0,p_from_column); //wrap around for missing begining.
}
pos=-1;
if (!(p_search_flags&SEARCH_BACKWARDS)) {
pos = (p_search_flags&SEARCH_MATCH_CASE)?text_line.find(p_key,from_column):text_line.findn(p_key,from_column);
} else {
pos = (p_search_flags&SEARCH_MATCH_CASE)?text_line.rfind(p_key,from_column):text_line.rfindn(p_key,from_column);
}
if (pos!=-1 && (p_search_flags&SEARCH_WHOLE_WORDS)) {
//validate for whole words
if (pos>0 && _is_text_char(text_line[pos-1]))
pos=-1;
else if (_is_text_char(text_line[pos+p_key.length()]))
pos=-1;
}
if (pos!=-1)
break;
}
if (pos==-1) {
r_line=-1;
r_column=-1;
return false;
}
r_line=line;
r_column=pos;
return true;
}
void TextEdit::_cursor_changed_emit() {
emit_signal("cursor_changed");
cursor_changed_dirty=false;
}
void TextEdit::_text_changed_emit() {
emit_signal("text_changed");
text_changed_dirty=false;
}
void TextEdit::set_line_as_marked(int p_line,bool p_marked) {
ERR_FAIL_INDEX(p_line,text.size());
text.set_marked(p_line,p_marked);
update();
}
bool TextEdit::is_line_set_as_breakpoint(int p_line) const {
ERR_FAIL_INDEX_V(p_line,text.size(),false);
return text.is_breakpoint(p_line);
}
void TextEdit::set_line_as_breakpoint(int p_line,bool p_breakpoint) {
ERR_FAIL_INDEX(p_line,text.size());
text.set_breakpoint(p_line,p_breakpoint);
update();
}
void TextEdit::get_breakpoints(List<int> *p_breakpoints) const {
for(int i=0;i<text.size();i++) {
if (text.is_breakpoint(i))
p_breakpoints->push_back(i);
}
}
int TextEdit::get_line_count() const {
return text.size();
}
void TextEdit::_do_text_op(const TextOperation& p_op, bool p_reverse) {
ERR_FAIL_COND(p_op.type==TextOperation::TYPE_NONE);
bool insert = p_op.type==TextOperation::TYPE_INSERT;
if (p_reverse)
insert=!insert;
if (insert) {
int check_line;
int check_column;
_base_insert_text(p_op.from_line,p_op.from_column,p_op.text,check_line,check_column);
ERR_FAIL_COND( check_line != p_op.to_line ); // BUG
ERR_FAIL_COND( check_column != p_op.to_column ); // BUG
} else {
_base_remove_text(p_op.from_line,p_op.from_column,p_op.to_line,p_op.to_column);
}
}
void TextEdit::_clear_redo() {
if (undo_stack_pos==NULL)
return; //nothing to clear
_push_current_op();
while (undo_stack_pos) {
List<TextOperation>::Element *elem = undo_stack_pos;
undo_stack_pos=undo_stack_pos->next();
undo_stack.erase(elem);
}
}
void TextEdit::undo() {
_push_current_op();
if (undo_stack_pos==NULL) {
if (!undo_stack.size())
return; //nothing to undo
undo_stack_pos=undo_stack.back();
} else if (undo_stack_pos==undo_stack.front())
return; // at the bottom of the undo stack
else
undo_stack_pos=undo_stack_pos->prev();
_do_text_op( undo_stack_pos->get(),true);
cursor_set_line(undo_stack_pos->get().from_line);
cursor_set_column(undo_stack_pos->get().from_column);
update();
}
void TextEdit::redo() {
_push_current_op();
if (undo_stack_pos==NULL)
return; //nothing to do.
_do_text_op( undo_stack_pos->get(),false);
cursor_set_line(undo_stack_pos->get().from_line);
cursor_set_column(undo_stack_pos->get().from_column);
undo_stack_pos=undo_stack_pos->next();
update();
}
void TextEdit::clear_undo_history() {
saved_version=0;
current_op.type=TextOperation::TYPE_NONE;
undo_stack_pos=NULL;
undo_stack.clear();;
}
void TextEdit::_push_current_op() {
if (current_op.type==TextOperation::TYPE_NONE)
return; // do nothing
undo_stack.push_back(current_op);
current_op.type=TextOperation::TYPE_NONE;
current_op.text="";
}
void TextEdit::set_draw_tabs(bool p_draw) {
draw_tabs=p_draw;
}
bool TextEdit::is_drawing_tabs() const{
return draw_tabs;
}
uint32_t TextEdit::get_version() const {
return current_op.version;
}
uint32_t TextEdit::get_saved_version() const {
return saved_version;
}
void TextEdit::tag_saved_version() {
saved_version=get_version();
}
int TextEdit::get_v_scroll() const {
return v_scroll->get_val();
}
void TextEdit::set_v_scroll(int p_scroll) {
v_scroll->set_val(p_scroll);
cursor.line_ofs=p_scroll;
}
int TextEdit::get_h_scroll() const {
return h_scroll->get_val();
}
void TextEdit::set_h_scroll(int p_scroll) {
h_scroll->set_val(p_scroll);
}
void TextEdit::set_completion(bool p_enabled,const Vector<String>& p_prefixes) {
completion_prefixes.clear();
completion_enabled=p_enabled;
for(int i=0;i<p_prefixes.size();i++)
completion_prefixes.insert(p_prefixes[i]);
}
void TextEdit::_confirm_completion() {
String remaining=completion_current.substr(completion_base.length(),completion_current.length()-completion_base.length());
String l = text[cursor.line];
bool same=true;
//if what is going to be inserted is the same as what it is, don't change it
for(int i=0;i<remaining.length();i++) {
int c=i+cursor.column;
if (c>=l.length() || l[c]!=remaining[i]) {
same=false;
break;
}
}
if (same)
cursor_set_column(cursor.column+remaining.length());
else
insert_text_at_cursor(remaining);
_cancel_completion();
}
void TextEdit::_cancel_completion() {
if (!completion_active)
return;
completion_active=false;
update();
}
void TextEdit::_update_completion_candidates() {
String l = text[cursor.line];
int cofs = CLAMP(cursor.column,0,l.length());
String s;
while(cofs>0 && l[cofs-1]>32 && !_is_symbol(l[cofs-1])) {
s=String::chr(l[cofs-1])+s;
cofs--;
}
update();
if (s=="" && (cofs==0 || !completion_prefixes.has(String::chr(l[cofs-1])))) {
//none to complete, cancel
_cancel_completion();
return;
}
completion_options.clear();
completion_index=0;
completion_base=s;
int ci_match=0;
for(int i=0;i<completion_strings.size();i++) {
if (completion_strings[i].begins_with(s)) {
completion_options.push_back(completion_strings[i]);
int m=0;
int max=MIN(completion_current.length(),completion_strings[i].length());
if (max<ci_match)
continue;
for(int j=0;j<max;j++) {
if (j>=completion_strings[i].length())
break;
if (completion_current[j]!=completion_strings[i][j])
break;
m++;
}
if (m>ci_match) {
ci_match=m;
completion_index=completion_options.size()-1;
}
}
}
if (completion_options.size()==0) {
//no options to complete, cancel
_cancel_completion();
return;
}
completion_current=completion_options[completion_index];
if (completion_options.size()==1) {
//one option to complete, just complete it automagically
_confirm_completion();
// insert_text_at_cursor(completion_options[0].substr(s.length(),completion_options[0].length()-s.length()));
_cancel_completion();
return;
}
completion_enabled=true;
}
void TextEdit::query_code_comple() {
String l = text[cursor.line];
int ofs = CLAMP(cursor.column,0,l.length());
String cs;
while(ofs>0 && l[ofs-1]>32) {
if (_is_symbol(l[ofs-1])) {
String s;
while(ofs>0 && l[ofs-1]>32 && _is_symbol(l[ofs-1])) {
s=String::chr(l[ofs-1])+s;
ofs--;
}
if (completion_prefixes.has(s))
cs=s+cs;
else
break;
} else {
cs=String::chr(l[ofs-1])+cs;
ofs--;
}
}
if (cs!="") {
emit_signal("request_completion",cs,cursor.line);
}
}
void TextEdit::code_complete(const Vector<String> &p_strings) {
completion_strings=p_strings;
completion_active=true;
completion_current="";
completion_index=0;
_update_completion_candidates();
//
}
String TextEdit::get_tooltip(const Point2& p_pos) const {
if (!tooltip_obj)
return Control::get_tooltip(p_pos);
int row,col;
if (!_get_mouse_pos(p_pos, row,col)) {
return Control::get_tooltip(p_pos);
}
String s = text[row];
if (s.length()==0)
return Control::get_tooltip(p_pos);
int beg=CLAMP(col,0,s.length());
int end=beg;
if (s[beg]>32 || beg==s.length()) {
bool symbol = beg < s.length() && _is_symbol(s[beg]); //not sure if right but most editors behave like this
while(beg>0 && s[beg-1]>32 && (symbol==_is_symbol(s[beg-1]))) {
beg--;
}
while(end<s.length() && s[end+1]>32 && (symbol==_is_symbol(s[end+1]))) {
end++;
}
if (end<s.length())
end+=1;
String tt = tooltip_obj->call(tooltip_func,s.substr(beg,end-beg),tooltip_ud);
return tt;
}
return Control::get_tooltip(p_pos);
}
void TextEdit::set_tooltip_request_func(Object *p_obj, const StringName& p_function,const Variant& p_udata) {
tooltip_obj=p_obj;
tooltip_func=p_function;
tooltip_ud=p_udata;
}
void TextEdit::set_show_line_numbers(bool p_show) {
line_numbers=p_show;
update();
}
void TextEdit::_bind_methods() {
ObjectTypeDB::bind_method(_MD("_input_event"),&TextEdit::_input_event);
ObjectTypeDB::bind_method(_MD("_scroll_moved"),&TextEdit::_scroll_moved);
ObjectTypeDB::bind_method(_MD("_cursor_changed_emit"),&TextEdit::_cursor_changed_emit);
ObjectTypeDB::bind_method(_MD("_text_changed_emit"),&TextEdit::_text_changed_emit);
ObjectTypeDB::bind_method(_MD("_push_current_op"),&TextEdit::_push_current_op);
BIND_CONSTANT( SEARCH_MATCH_CASE );
BIND_CONSTANT( SEARCH_WHOLE_WORDS );
BIND_CONSTANT( SEARCH_BACKWARDS );
/*
ObjectTypeDB::bind_method(_MD("delete_char"),&TextEdit::delete_char);
ObjectTypeDB::bind_method(_MD("delete_line"),&TextEdit::delete_line);
*/
ObjectTypeDB::bind_method(_MD("set_text","text"),&TextEdit::set_text);
ObjectTypeDB::bind_method(_MD("insert_text_at_cursor","text"),&TextEdit::insert_text_at_cursor);
ObjectTypeDB::bind_method(_MD("get_line_count"),&TextEdit::get_line_count);
ObjectTypeDB::bind_method(_MD("get_text"),&TextEdit::get_text);
ObjectTypeDB::bind_method(_MD("get_line"),&TextEdit::get_line);
ObjectTypeDB::bind_method(_MD("cursor_set_column","column"),&TextEdit::cursor_set_column);
ObjectTypeDB::bind_method(_MD("cursor_set_line","line"),&TextEdit::cursor_set_line);
ObjectTypeDB::bind_method(_MD("cursor_get_column"),&TextEdit::cursor_get_column);
ObjectTypeDB::bind_method(_MD("cursor_get_line"),&TextEdit::cursor_get_line);
ObjectTypeDB::bind_method(_MD("set_readonly","enable"),&TextEdit::set_readonly);
ObjectTypeDB::bind_method(_MD("set_wrap","enable"),&TextEdit::set_wrap);
ObjectTypeDB::bind_method(_MD("set_max_chars","amount"),&TextEdit::set_max_chars);
ObjectTypeDB::bind_method(_MD("cut"),&TextEdit::cut);
ObjectTypeDB::bind_method(_MD("copy"),&TextEdit::copy);
ObjectTypeDB::bind_method(_MD("paste"),&TextEdit::paste);
ObjectTypeDB::bind_method(_MD("select_all"),&TextEdit::select_all);
ObjectTypeDB::bind_method(_MD("select","from_line","from_column","to_line","to_column"),&TextEdit::select);
ObjectTypeDB::bind_method(_MD("is_selection_active"),&TextEdit::is_selection_active);
ObjectTypeDB::bind_method(_MD("get_selection_from_line"),&TextEdit::get_selection_from_line);
ObjectTypeDB::bind_method(_MD("get_selection_from_column"),&TextEdit::get_selection_from_column);
ObjectTypeDB::bind_method(_MD("get_selection_to_line"),&TextEdit::get_selection_to_line);
ObjectTypeDB::bind_method(_MD("get_selection_to_column"),&TextEdit::get_selection_to_column);
ObjectTypeDB::bind_method(_MD("get_selection_text"),&TextEdit::get_selection_text);
ObjectTypeDB::bind_method(_MD("search","flags","from_line","from_column","to_line","to_column"),&TextEdit::_search_bind);
ObjectTypeDB::bind_method(_MD("undo"),&TextEdit::undo);
ObjectTypeDB::bind_method(_MD("redo"),&TextEdit::redo);
ObjectTypeDB::bind_method(_MD("clear_undo_history"),&TextEdit::clear_undo_history);
ObjectTypeDB::bind_method(_MD("set_syntax_coloring","enable"),&TextEdit::set_syntax_coloring);
ObjectTypeDB::bind_method(_MD("is_syntax_coloring_enabled"),&TextEdit::is_syntax_coloring_enabled);
ObjectTypeDB::bind_method(_MD("add_keyword_color","keyword","color"),&TextEdit::add_keyword_color);
ObjectTypeDB::bind_method(_MD("add_color_region","begin_key","end_key","color","line_only"),&TextEdit::add_color_region,DEFVAL(false));
ObjectTypeDB::bind_method(_MD("set_symbol_color","color"),&TextEdit::set_symbol_color);
ObjectTypeDB::bind_method(_MD("set_custom_bg_color","color"),&TextEdit::set_custom_bg_color);
ObjectTypeDB::bind_method(_MD("clear_colors"),&TextEdit::clear_colors);
ADD_SIGNAL(MethodInfo("cursor_changed"));
ADD_SIGNAL(MethodInfo("text_changed"));
ADD_SIGNAL(MethodInfo("request_completion",PropertyInfo(Variant::STRING,"keyword"),PropertyInfo(Variant::INT,"line")));
}
TextEdit::TextEdit() {
readonly=false;
setting_row=false;
draw_tabs=false;
max_chars=0;
clear();
wrap=false;
set_focus_mode(FOCUS_ALL);
_update_caches();
cache.size=Size2(1,1);
tab_size=4;
text.set_tab_size(tab_size);
text.clear();
// text.insert(1,"Mongolia..");
// text.insert(2,"PAIS GENEROSO!!");
text.set_color_regions(&color_regions);
h_scroll = memnew( HScrollBar );
v_scroll = memnew( VScrollBar );
add_child(h_scroll);
add_child(v_scroll);
updating_scrolls=false;
selection.active=false;
h_scroll->connect("value_changed", this,"_scroll_moved");
v_scroll->connect("value_changed", this,"_scroll_moved");
cursor_changed_dirty=false;
text_changed_dirty=false;
selection.selecting_mode=Selection::MODE_NONE;
selection.selecting_line=0;
selection.selecting_column=0;
selection.selecting_test=false;
selection.active=false;
syntax_coloring=false;
custom_bg_color=Color(0,0,0,0);
idle_detect = memnew( Timer );
add_child(idle_detect);
idle_detect->set_one_shot(true);
idle_detect->set_wait_time(GLOBAL_DEF("display/text_edit_idle_detect_sec",3));
idle_detect->connect("timeout", this,"_push_current_op");
#if 0
syntax_coloring=true;
keywords["void"]=Color(0.3,0.0,0.1);
keywords["int"]=Color(0.3,0.0,0.1);
keywords["function"]=Color(0.3,0.0,0.1);
keywords["class"]=Color(0.3,0.0,0.1);
keywords["extends"]=Color(0.3,0.0,0.1);
keywords["constructor"]=Color(0.3,0.0,0.1);
symbol_color=Color(0.1,0.0,0.3,1.0);
color_regions.push_back(ColorRegion("/*","*/",Color(0.4,0.6,0,4)));
color_regions.push_back(ColorRegion("//","",Color(0.6,0.6,0.4)));
color_regions.push_back(ColorRegion("\"","\"",Color(0.4,0.7,0.7)));
color_regions.push_back(ColorRegion("'","'",Color(0.4,0.8,0.8)));
color_regions.push_back(ColorRegion("#","",Color(0.2,1.0,0.2)));
#endif
current_op.type=TextOperation::TYPE_NONE;
undo_enabled=true;
undo_stack_pos=NULL;
setting_text=false;
last_dblclk=0;
current_op.version=0;
version=0;
saved_version=0;
completion_enabled=false;
completion_active=false;
completion_line_ofs=0;
tooltip_obj=NULL;
line_numbers=false;
}
TextEdit::~TextEdit(){
}
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