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294 lines
7.5 KiB
C++
294 lines
7.5 KiB
C++
/*************************************************************************/
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/* tabs.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "tabs.h"
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#include "message_queue.h"
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Size2 Tabs::get_minimum_size() const {
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Ref<StyleBox> tab_bg = get_stylebox("tab_bg");
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Ref<StyleBox> tab_fg = get_stylebox("tab_fg");
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Ref<Font> font = get_font("font");
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Size2 ms(0, MAX( tab_bg->get_minimum_size().height,tab_fg->get_minimum_size().height)+font->get_height() );
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// h+=MIN( get_constant("label_valign_fg"), get_constant("label_valign_bg") );
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for(int i=0;i<tabs.size();i++) {
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Ref<Texture> tex = tabs[i].icon;
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if (tex.is_valid()) {
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ms.height = MAX( ms.height, tex->get_size().height );
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if (tabs[i].text!="")
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ms.width+=get_constant("hseparation");
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}
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ms.width+=font->get_string_size(tabs[i].text).width;
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if (current==i)
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ms.width+=tab_fg->get_minimum_size().width;
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else
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ms.width+=tab_bg->get_minimum_size().width;
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}
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return ms;
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}
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void Tabs::_input_event(const InputEvent& p_event) {
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if (p_event.type==InputEvent::MOUSE_BUTTON &&
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p_event.mouse_button.pressed &&
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p_event.mouse_button.button_index==BUTTON_LEFT) {
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// clicks
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Point2 pos( p_event.mouse_button.x, p_event.mouse_button.y );
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int found=-1;
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for(int i=0;i<tabs.size();i++) {
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int ofs=tabs[i].ofs_cache;
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if (pos.x < ofs) {
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found=i;
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break;
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}
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}
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if (found!=-1) {
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set_current_tab(found);
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}
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}
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}
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void Tabs::_notification(int p_what) {
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switch(p_what) {
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case NOTIFICATION_DRAW: {
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RID ci = get_canvas_item();
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Ref<StyleBox> tab_bg = get_stylebox("tab_bg");
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Ref<StyleBox> tab_fg = get_stylebox("tab_fg");
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Ref<Font> font = get_font("font");
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Color color_fg = get_color("font_color_fg");
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Color color_bg = get_color("font_color_bg");
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int h = get_size().height;
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int label_valign_fg = get_constant("label_valign_fg");
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int label_valign_bg = get_constant("label_valign_bg");
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int w=0;
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for(int i=0;i<tabs.size();i++) {
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String s = tabs[i].text;
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int lsize=0;
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int slen=font->get_string_size(s).width;;
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lsize+=slen;
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Ref<Texture> icon;
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if (tabs[i].icon.is_valid()) {
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Ref<Texture> icon = tabs[i].icon;
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if (icon.is_valid()) {
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lsize+=icon->get_width();
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if (s!="")
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lsize+=get_constant("hseparation");
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}
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}
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Ref<StyleBox> sb;
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int va;
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Color col;
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if (i==current) {
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sb=tab_fg;
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va=label_valign_fg;
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col=color_fg;
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} else {
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sb=tab_bg;
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va=label_valign_bg;
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col=color_bg;
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}
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Size2i sb_ms = sb->get_minimum_size();
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Rect2 sb_rect = Rect2( w, 0, lsize+sb_ms.width, h);
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sb->draw(ci, sb_rect );
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w+=sb->get_margin(MARGIN_LEFT);
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if (icon.is_valid()) {
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icon->draw(ci, Point2i( w, sb->get_margin(MARGIN_TOP)+((sb_rect.size.y-sb_ms.y)-icon->get_height())/2 ) );
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if (s!="")
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w+=icon->get_width()+get_constant("hseparation");
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}
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font->draw(ci, Point2i( w, sb->get_margin(MARGIN_TOP)+((sb_rect.size.y-sb_ms.y)-font->get_height())/2+font->get_ascent() ), s, col );
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w+=slen+sb->get_margin(MARGIN_RIGHT);
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tabs[i].ofs_cache=w;
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}
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} break;
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}
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}
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int Tabs::get_tab_count() const {
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return tabs.size();
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}
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void Tabs::set_current_tab(int p_current) {
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ERR_FAIL_INDEX( p_current, get_tab_count() );
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//printf("DEBUG %p: set_current_tab to %i\n", this, p_current);
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current=p_current;
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_change_notify("current_tab");
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emit_signal("tab_changed",current);
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update();
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}
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int Tabs::get_current_tab() const {
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return current;
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}
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void Tabs::set_tab_title(int p_tab,const String& p_title) {
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ERR_FAIL_INDEX(p_tab,tabs.size());
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tabs[p_tab].text=p_title;
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update();
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minimum_size_changed();
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}
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String Tabs::get_tab_title(int p_tab) const{
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ERR_FAIL_INDEX_V(p_tab,tabs.size(),"");
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return tabs[p_tab].text;
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}
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void Tabs::set_tab_icon(int p_tab,const Ref<Texture>& p_icon){
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ERR_FAIL_INDEX(p_tab,tabs.size());
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tabs[p_tab].icon=p_icon;
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update();
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minimum_size_changed();
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}
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Ref<Texture> Tabs::get_tab_icon(int p_tab) const{
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ERR_FAIL_INDEX_V(p_tab,tabs.size(),Ref<Texture>());
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return tabs[p_tab].icon;
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}
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void Tabs::add_tab(const String& p_str,const Ref<Texture>& p_icon) {
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Tab t;
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t.text=p_str;
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t.icon=p_icon;
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tabs.push_back(t);
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update();
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minimum_size_changed();
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}
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void Tabs::remove_tab(int p_idx) {
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ERR_FAIL_INDEX(p_idx,tabs.size());
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tabs.remove(p_idx);
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if (current>=p_idx)
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current--;
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update();
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minimum_size_changed();
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if (current<0)
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current=0;
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if (current>=tabs.size())
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current=tabs.size()-1;
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emit_signal("tab_changed",current);
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}
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void Tabs::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("_input_event"),&Tabs::_input_event);
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ObjectTypeDB::bind_method(_MD("get_tab_count"),&Tabs::get_tab_count);
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ObjectTypeDB::bind_method(_MD("set_current_tab","tab_idx"),&Tabs::set_current_tab);
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ObjectTypeDB::bind_method(_MD("get_current_tab"),&Tabs::get_current_tab);
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ObjectTypeDB::bind_method(_MD("set_tab_title","tab_idx","title"),&Tabs::set_tab_title);
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ObjectTypeDB::bind_method(_MD("get_tab_title","tab_idx"),&Tabs::get_tab_title);
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ObjectTypeDB::bind_method(_MD("set_tab_icon","tab_idx","icon:Texture"),&Tabs::set_tab_icon);
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ObjectTypeDB::bind_method(_MD("get_tab_icon:Texture","tab_idx"),&Tabs::get_tab_icon);
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ObjectTypeDB::bind_method(_MD("remove_tab","tab_idx","icon:Texture"),&Tabs::remove_tab);
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ADD_SIGNAL(MethodInfo("tab_changed",PropertyInfo(Variant::INT,"tab")));
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ADD_PROPERTY( PropertyInfo(Variant::INT, "current_tab", PROPERTY_HINT_RANGE,"-1,4096,1",PROPERTY_USAGE_EDITOR), _SCS("set_current_tab"), _SCS("get_current_tab") );
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}
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Tabs::Tabs() {
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current=0;
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}
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