640 lines
15 KiB
C++
640 lines
15 KiB
C++
/*************************************************************************/
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/* tab_container.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 "tab_container.h"
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#include "message_queue.h"
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int TabContainer::_get_top_margin() 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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int h = MAX( tab_bg->get_minimum_size().height,tab_fg->get_minimum_size().height);
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// h+=MIN( get_constant("label_valign_fg"), get_constant("label_valign_bg") );
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int ch = font->get_height();;
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for(int i=0;i<get_child_count();i++) {
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Control *c = get_child(i)->cast_to<Control>();
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if (!c)
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continue;
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if (c->is_set_as_toplevel())
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continue;
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if (!c->has_meta("_tab_icon"))
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continue;
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Ref<Texture> tex = c->get_meta("_tab_icon");
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if (!tex.is_valid())
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continue;
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ch = MAX( ch, tex->get_size().height );
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}
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h+=ch;
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return h;
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}
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void TabContainer::_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 top_margin = _get_top_margin();
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if (pos.y>top_margin)
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return; // no click (too far down)
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if (pos.x<tabs_ofs_cache)
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return; // no click (too far left)
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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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Ref<Texture> incr = get_icon("increment");
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Ref<Texture> decr = get_icon("decrement");
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pos.x-=tabs_ofs_cache;
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int idx=0;
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int found=-1;
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bool rightroom=false;
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for(int i=0;i<get_child_count();i++) {
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Control *c = get_child(i)->cast_to<Control>();
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if (!c)
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continue;
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if (c->is_set_as_toplevel())
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continue;
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if (idx<tab_display_ofs) {
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idx++;
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continue;
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}
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if (idx>last_tab_cache) {
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rightroom=true;
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break;
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}
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String s = c->has_meta("_tab_name")?String(XL_MESSAGE(String(c->get_meta("_tab_name")))):String(c->get_name());
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int tab_width=font->get_string_size(s).width;
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if (c->has_meta("_tab_icon")) {
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Ref<Texture> icon = c->get_meta("_tab_icon");
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if (icon.is_valid()) {
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tab_width+=icon->get_width();
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if (s!="")
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tab_width+=get_constant("hseparation");
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}
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}
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if (idx==current) {
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tab_width+=tab_fg->get_minimum_size().width;
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} else {
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tab_width+=tab_bg->get_minimum_size().width;
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}
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if (pos.x < tab_width) {
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found=idx;
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break;
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}
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pos.x-=tab_width;
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idx++;
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}
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if (buttons_visible_cache) {
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if (p_event.mouse_button.x>get_size().width-incr->get_width()) {
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if (rightroom) {
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tab_display_ofs+=1;
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update();
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}
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} else if (p_event.mouse_button.x>get_size().width-incr->get_width()-decr->get_width()) {
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if (tab_display_ofs>0) {
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tab_display_ofs-=1;
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update();
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}
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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 TabContainer::_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> panel = get_stylebox("panel");
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Size2 size = get_size();
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if (!tabs_visible) {
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panel->draw(ci, Rect2( 0, 0, size.width, size.height));
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return;
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}
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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<Texture> incr = get_icon("increment");
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Ref<Texture> incr_hl = get_icon("increment_hilite");
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Ref<Texture> decr = get_icon("decrement");
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Ref<Texture> decr_hl = get_icon("decrement_hilite");
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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 side_margin = get_constant("side_margin");
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int top_margin = _get_top_margin();
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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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Size2 top_size = Size2( size.width, top_margin );
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int w=0;
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int idx=0;
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for(int i=0;i<get_child_count();i++) {
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Control *c = get_child(i)->cast_to<Control>();
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if (!c)
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continue;
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if (c->is_set_as_toplevel())
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continue;
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String s = c->has_meta("_tab_name")?String(XL_MESSAGE(String(c->get_meta("_tab_name")))):String(c->get_name());
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w+=font->get_string_size(s).width;
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if (c->has_meta("_tab_icon")) {
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Ref<Texture> icon = c->get_meta("_tab_icon");
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if (icon.is_valid()) {
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w+=icon->get_width();
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if (s!="")
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w+=get_constant("hseparation");
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}
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}
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if (idx==current) {
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w+=tab_fg->get_minimum_size().width;
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} else {
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w+=tab_bg->get_minimum_size().width;
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}
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idx++;
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}
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int ofs;
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int limit=get_size().width;
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if (w<=get_size().width) {
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switch(align) {
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case ALIGN_LEFT: ofs = side_margin; break;
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case ALIGN_CENTER: ofs = (int(top_size.width) - w)/2; break;
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case ALIGN_RIGHT: ofs = int(top_size.width) - w - side_margin; break;
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};
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tab_display_ofs=0;
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buttons_visible_cache=false;
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} else {
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ofs=0;
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limit-=incr->get_width()+decr->get_width();
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buttons_visible_cache=true;
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}
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tabs_ofs_cache=ofs;
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last_tab_cache=-1;
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idx=0;
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bool notdone=false;
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for(int i=0;i<get_child_count();i++) {
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Control *c = get_child(i)->cast_to<Control>();
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if (!c)
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continue;
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if (c->is_set_as_toplevel())
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continue;
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if (idx<tab_display_ofs) {
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idx++;
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continue;
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}
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String s = c->has_meta("_tab_name")?String(c->get_meta("_tab_name")):String(c->get_name());
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int w=font->get_string_size(s).width;
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Ref<Texture> icon;
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if (c->has_meta("_tab_icon")) {
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icon = c->get_meta("_tab_icon");
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if (icon.is_valid()) {
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w+=icon->get_width();
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if (s!="")
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w+=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 (idx==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( ofs, 0, w+sb_ms.width, top_margin);
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if (sb_ms.width+w+ofs > limit) {
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notdone=true;
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break;
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}
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sb->draw(ci, sb_rect );
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Point2i lpos = sb_rect.pos;
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lpos.x+=sb->get_margin(MARGIN_LEFT);
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if (icon.is_valid()) {
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icon->draw(ci, Point2i( lpos.x, 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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lpos.x+=icon->get_width()+get_constant("hseparation");
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}
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font->draw(ci, Point2i( lpos.x, 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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ofs+=sb_ms.x+w;
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last_tab_cache=idx;
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/*
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int sb_mw = sb->get_minimum_size().width;
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int font_ofs = sb_mw / 2;
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Rect2i rect =Rect2( ofs, 0, w+sb_mw, top_margin);
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rect.size
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sb->draw(ci,rect);
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rect.y+=va;
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rect.height+=va;
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int font_y = (rect.height - font->get_height())/2;
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font->draw(ci, Point2( ofs+font_ofs, va+font_y ), s, col );
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*/
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idx++;
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}
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if (buttons_visible_cache) {
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int vofs = (top_margin-incr->get_height())/2;
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decr->draw(ci,Point2(limit,vofs),Color(1,1,1,tab_display_ofs==0?0.5:1.0));
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incr->draw(ci,Point2(limit+incr->get_width(),vofs),Color(1,1,1,notdone?1.0:0.5));
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}
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panel->draw(ci, Rect2( 0, top_size.height, size.width, size.height-top_size.height));
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} break;
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}
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}
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void TabContainer::_child_renamed_callback() {
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update();
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}
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void TabContainer::add_child_notify(Node *p_child) {
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Control *c = p_child->cast_to<Control>();
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if (!c)
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return;
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if (c->is_set_as_toplevel())
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return;
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bool first=false;
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if (get_tab_count()!=1)
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c->hide();
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else {
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c->show();
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//call_deferred("set_current_tab",0);
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first=true;
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current=0;
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}
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c->set_area_as_parent_rect();
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if (tabs_visible)
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c->set_margin(MARGIN_TOP,_get_top_margin());
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Ref<StyleBox> sb = get_stylebox("panel");
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for(int i=0;i<4;i++)
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c->set_margin(Margin(i),c->get_margin(Margin(i))+sb->get_margin(Margin(i)));
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update();
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p_child->connect("renamed", this,"_child_renamed_callback");
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if(first)
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emit_signal("tab_changed",current);
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}
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int TabContainer::get_tab_count() const {
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int count=0;
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for(int i=0;i<get_child_count();i++) {
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Control *c = get_child(i)->cast_to<Control>();
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if (!c)
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continue;
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count++;
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}
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return count;
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}
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void TabContainer::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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int idx=0;
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Ref<StyleBox> sb=get_stylebox("panel");
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for(int i=0;i<get_child_count();i++) {
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Control *c = get_child(i)->cast_to<Control>();
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if (!c)
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continue;
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if (c->is_set_as_toplevel())
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continue;
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if (idx==current) {
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c->show();
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c->set_area_as_parent_rect();
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if (tabs_visible)
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c->set_margin(MARGIN_TOP,_get_top_margin());
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for(int i=0;i<4;i++)
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c->set_margin(Margin(i),c->get_margin(Margin(i))+sb->get_margin(Margin(i)));
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} else
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c->hide();
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idx++;
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}
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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 TabContainer::get_current_tab() const {
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return current;
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}
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void TabContainer::remove_child_notify(Node *p_child) {
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int tc = get_tab_count();
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// bool set_curent=false;
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if (current==tc-1) {
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current--;
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if (current<0)
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current=0;
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else {
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call_deferred("set_current_tab",current);
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}
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}
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p_child->disconnect("renamed", this,"_child_renamed_callback");
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update();
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}
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void TabContainer::set_tab_align(TabAlign p_align) {
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ERR_FAIL_INDEX(p_align,3);
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align=p_align;
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update();
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_change_notify("tab_align");
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}
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TabContainer::TabAlign TabContainer::get_tab_align() const {
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return align;
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}
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void TabContainer::set_tabs_visible(bool p_visibe) {
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if (p_visibe==tabs_visible)
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return;
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tabs_visible=p_visibe;
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for(int i=0;i<get_child_count();i++) {
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Control *c = get_child(i)->cast_to<Control>();
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if (!c)
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continue;
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if (p_visibe)
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c->set_margin(MARGIN_TOP,_get_top_margin());
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else
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c->set_margin(MARGIN_TOP,0);
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}
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update();
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}
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bool TabContainer::are_tabs_visible() const {
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return tabs_visible;
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}
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Control *TabContainer::_get_tab(int p_idx) const {
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int idx=0;
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for(int i=0;i<get_child_count();i++) {
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Control *c = get_child(i)->cast_to<Control>();
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if (!c)
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continue;
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if (c->is_set_as_toplevel())
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continue;
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if (idx==p_idx)
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return c;
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idx++;
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}
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return NULL;
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}
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void TabContainer::set_tab_title(int p_tab,const String& p_title) {
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Control *child = _get_tab(p_tab);
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ERR_FAIL_COND(!child);
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child->set_meta("_tab_name",p_title);
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}
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String TabContainer::get_tab_title(int p_tab) const{
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Control *child = _get_tab(p_tab);
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ERR_FAIL_COND_V(!child,"");
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if (child->has_meta("_tab_name"))
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return child->get_meta("_tab_name");
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else
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return child->get_name();
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}
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void TabContainer::set_tab_icon(int p_tab,const Ref<Texture>& p_icon){
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Control *child = _get_tab(p_tab);
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ERR_FAIL_COND(!child);
|
|
child->set_meta("_tab_icon",p_icon);
|
|
|
|
}
|
|
Ref<Texture> TabContainer::get_tab_icon(int p_tab) const{
|
|
|
|
Control *child = _get_tab(p_tab);
|
|
ERR_FAIL_COND_V(!child,Ref<Texture>());
|
|
if (child->has_meta("_tab_icon"))
|
|
return child->get_meta("_tab_icon");
|
|
else
|
|
return Ref<Texture>();
|
|
}
|
|
|
|
void TabContainer::get_translatable_strings(List<String> *p_strings) const {
|
|
|
|
for(int i=0;i<get_child_count();i++) {
|
|
|
|
Control *c = get_child(i)->cast_to<Control>();
|
|
if (!c)
|
|
continue;
|
|
if (c->is_set_as_toplevel())
|
|
continue;
|
|
|
|
if (!c->has_meta("_tab_name"))
|
|
continue;
|
|
|
|
String name = c->get_meta("_tab_name");
|
|
|
|
if (name!="")
|
|
p_strings->push_back(name);
|
|
}
|
|
}
|
|
|
|
|
|
void TabContainer::_bind_methods() {
|
|
|
|
ObjectTypeDB::bind_method(_MD("_input_event"),&TabContainer::_input_event);
|
|
ObjectTypeDB::bind_method(_MD("get_tab_count"),&TabContainer::get_tab_count);
|
|
ObjectTypeDB::bind_method(_MD("set_current_tab","tab_idx"),&TabContainer::set_current_tab);
|
|
ObjectTypeDB::bind_method(_MD("get_current_tab"),&TabContainer::get_current_tab);
|
|
ObjectTypeDB::bind_method(_MD("set_tab_align","align"),&TabContainer::set_tab_align);
|
|
ObjectTypeDB::bind_method(_MD("get_tab_align"),&TabContainer::get_tab_align);
|
|
ObjectTypeDB::bind_method(_MD("set_tabs_visible","visible"),&TabContainer::set_tabs_visible);
|
|
ObjectTypeDB::bind_method(_MD("are_tabs_visible"),&TabContainer::are_tabs_visible);
|
|
ObjectTypeDB::bind_method(_MD("set_tab_title","tab_idx","title"),&TabContainer::set_tab_title);
|
|
ObjectTypeDB::bind_method(_MD("get_tab_title","tab_idx"),&TabContainer::get_tab_title);
|
|
ObjectTypeDB::bind_method(_MD("set_tab_icon","tab_idx","icon:Texture"),&TabContainer::set_tab_icon);
|
|
ObjectTypeDB::bind_method(_MD("get_tab_icon:Texture","tab_idx"),&TabContainer::get_tab_icon);
|
|
|
|
ObjectTypeDB::bind_method(_MD("_child_renamed_callback"),&TabContainer::_child_renamed_callback);
|
|
|
|
ADD_SIGNAL(MethodInfo("tab_changed",PropertyInfo(Variant::INT,"tab")));
|
|
|
|
ADD_PROPERTY( PropertyInfo(Variant::INT, "tab_align", PROPERTY_HINT_ENUM,"Left,Center,Right"), _SCS("set_tab_align"), _SCS("get_tab_align") );
|
|
ADD_PROPERTY( PropertyInfo(Variant::INT, "current_tab", PROPERTY_HINT_RANGE,"-1,4096,1",PROPERTY_USAGE_EDITOR), _SCS("set_current_tab"), _SCS("get_current_tab") );
|
|
ADD_PROPERTY( PropertyInfo(Variant::BOOL, "tabs_visible"), _SCS("set_tabs_visible"), _SCS("are_tabs_visible") );
|
|
|
|
}
|
|
|
|
TabContainer::TabContainer() {
|
|
|
|
tab_display_ofs=0;
|
|
buttons_visible_cache=false;
|
|
tabs_ofs_cache=0;
|
|
current=0;
|
|
mouse_x_cache=0;
|
|
align=ALIGN_CENTER;
|
|
tabs_visible=true;
|
|
|
|
}
|