GODOT IS OPEN SOURCE

1 files changed, 453 insertions, 0 deletions

diff --git a/scene/gui/split_container.cpp b/scene/gui/split_container.cpp
new file mode 100644
index 0000000000..49a7957d7c
--- /dev/null
+++ b/scene/gui/split_container.cpp
@@ -0,0 +1,453 @@
+/*************************************************************************/
+/*  split_container.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.                */
+/*************************************************************************/
+#include "split_container.h"
+
+#include "margin_container.h"
+#include "label.h"
+
+
+
+struct _MinSizeCache {
+
+	int min_size;
+	bool will_stretch;
+	int final_size;
+};
+
+
+Control *SplitContainer::_getch(int p_idx) const {
+
+	int idx=0;
+
+	for(int i=0;i<get_child_count();i++) {
+		Control *c=get_child(i)->cast_to<Control>();
+		if (!c || !c->is_visible())
+			continue;
+		if (c->is_set_as_toplevel())
+			continue;
+
+		if (idx==p_idx)
+			return c;
+
+		idx++;
+	}
+
+	return NULL;
+
+}
+
+
+void SplitContainer::_resort() {
+
+	/** First pass, determine minimum size AND amount of stretchable elements */
+
+	int axis = vertical?1:0;
+
+	bool has_first=_getch(0);
+	bool has_second=_getch(1);
+
+	if (!has_first && !has_second) {
+		return;
+	} else if (! (has_first && has_second)) {
+		if (has_first)
+			fit_child_in_rect(_getch(0),Rect2(Point2(),get_size()));
+		else
+			fit_child_in_rect(_getch(1),Rect2(Point2(),get_size()));
+
+		return;
+	}
+
+
+
+	Control *first=_getch(0);
+	Control *second=_getch(1);
+
+
+	bool ratiomode=false;
+	bool expand_first_mode=false;
+
+
+
+
+	if (vertical) {
+
+		ratiomode=first->get_v_size_flags()&SIZE_EXPAND && second->get_v_size_flags()&SIZE_EXPAND;
+		expand_first_mode=first->get_v_size_flags()&SIZE_EXPAND && !(second->get_v_size_flags()&SIZE_EXPAND);
+	} else {
+
+		ratiomode=first->get_h_size_flags()&SIZE_EXPAND && second->get_h_size_flags()&SIZE_EXPAND;
+		expand_first_mode=first->get_h_size_flags()&SIZE_EXPAND && !(second->get_h_size_flags()&SIZE_EXPAND);
+	}
+
+
+	int sep=get_constant("separation");
+	Ref<Texture> g = get_icon("grabber");
+
+	if (collapsed || !dragger_visible) {
+		sep=0;
+	} else {
+		sep=MAX(sep,vertical?g->get_height():g->get_width());
+	}
+
+	int total = vertical?get_size().height:get_size().width;
+
+	total-=sep;
+
+	int minimum=0;
+
+	Size2 ms_first = first->get_combined_minimum_size();
+	Size2 ms_second = second->get_combined_minimum_size();
+
+	if (vertical) {
+
+		minimum=ms_first.height+ms_second.height;
+	} else {
+
+		minimum=ms_first.width+ms_second.width;
+	}
+
+	int available=total-minimum;
+	if (available<0)
+		available=0;
+
+
+	middle_sep=0;
+
+	if (collapsed) {
+
+
+		if (ratiomode) {
+
+			middle_sep=ms_first[axis]+available/2;
+
+
+		} else if (expand_first_mode) {
+
+			middle_sep=get_size()[axis]-ms_second[axis]-sep;
+
+		} else {
+
+			middle_sep=ms_first[axis];
+		}
+
+
+	} else if (ratiomode) {
+
+		if (expand_ofs<-(available/2))
+			expand_ofs=-(available/2);
+		else if (expand_ofs>(available/2))
+			expand_ofs=(available/2);
+
+		middle_sep=ms_first[axis]+available/2+expand_ofs;
+
+
+	} else if (expand_first_mode) {
+
+		if (expand_ofs>0)
+			expand_ofs=0;
+
+		if (expand_ofs < -available)
+			expand_ofs=-available;
+
+		middle_sep=get_size()[axis]-ms_second[axis]-sep+expand_ofs;
+
+	} else {
+
+		if (expand_ofs<0)
+			expand_ofs=0;
+
+		if (expand_ofs > available)
+			expand_ofs=available;
+
+		middle_sep=ms_first[axis]+expand_ofs;
+
+	}
+
+
+
+	if (vertical) {
+
+		fit_child_in_rect(first,Rect2(Point2(0,0),Size2(get_size().width,middle_sep)));
+		int sofs=middle_sep+sep;
+		fit_child_in_rect(second,Rect2(Point2(0,sofs),Size2(get_size().width,get_size().height-sofs)));
+
+	} else {
+
+
+		fit_child_in_rect(first,Rect2(Point2(0,0),Size2(middle_sep,get_size().height)));
+		int sofs=middle_sep+sep;
+		fit_child_in_rect(second,Rect2(Point2(sofs,0),Size2(get_size().width-sofs,get_size().height)));
+	}
+
+	update();
+	_change_notify("split/offset");
+
+}
+
+
+
+
+Size2 SplitContainer::get_minimum_size() const {
+
+
+	/* Calculate MINIMUM SIZE */
+
+	Size2i minimum;
+	int sep=get_constant("separation");
+	Ref<Texture> g = get_icon("grabber");
+	sep=dragger_visible?MAX(sep,vertical?g->get_height():g->get_width()):0;
+
+	for(int i=0;i<2;i++) {
+
+		if (!_getch(i))
+			break;
+
+		if (i==1) {
+
+			if (vertical)
+				minimum.height+=sep;
+			else
+				minimum.width+=sep;
+		}
+
+		Size2 ms = _getch(i)->get_combined_minimum_size();
+
+		if (vertical) {
+
+			minimum.height+=ms.height;
+			minimum.width=MAX(minimum.width,ms.width);
+		} else {
+
+			minimum.width+=ms.width;
+			minimum.height=MAX(minimum.height,ms.height);
+		}
+
+	}
+
+	return minimum;
+
+
+}
+
+void SplitContainer::_notification(int p_what) {
+
+	switch(p_what) {
+
+		case NOTIFICATION_SORT_CHILDREN: {
+
+			_resort();
+		} break;
+		case NOTIFICATION_MOUSE_ENTER: {
+			mouse_inside=true;
+			update();
+		} break;
+		case NOTIFICATION_MOUSE_EXIT: {
+			mouse_inside=false;
+			update();
+		} break;
+		case NOTIFICATION_DRAW: {
+
+			if (!_getch(0) || !_getch(1))
+				return;
+
+			if (collapsed || (!mouse_inside && get_constant("autohide")))
+				return;
+			int sep=dragger_visible?get_constant("separation"):0;
+			Ref<Texture> tex = get_icon("grabber");
+			Size2 size=get_size();
+			if (vertical) {
+
+				//draw_style_box( get_stylebox("bg"), Rect2(0,middle_sep,get_size().width,sep));
+				if (dragger_visible)
+					draw_texture(tex,Point2i((size.x-tex->get_width())/2,middle_sep+(sep-tex->get_height())/2));
+
+			} else {
+
+				//draw_style_box( get_stylebox("bg"), Rect2(middle_sep,0,sep,get_size().height));
+				if (dragger_visible)
+					draw_texture(tex,Point2i(middle_sep+(sep-tex->get_width())/2,(size.y-tex->get_height())/2));
+
+			}
+
+		} break;
+	}
+}
+
+void SplitContainer::_input_event(const InputEvent& p_event) {
+
+	if (collapsed || !_getch(0) || !_getch(1) || !dragger_visible)
+		return;
+
+	if (p_event.type==InputEvent::MOUSE_BUTTON) {
+
+		const InputEventMouseButton &mb=p_event.mouse_button;
+
+		if (mb.button_index==BUTTON_LEFT) {
+
+			if (mb.pressed) {
+				int sep=get_constant("separation");
+
+				if (vertical) {
+
+
+					if (mb.y > middle_sep && mb.y < middle_sep+sep) {
+						dragging=true;
+						drag_from=mb.y;
+						drag_ofs=expand_ofs;
+					}
+				} else {
+
+					if (mb.x > middle_sep && mb.x < middle_sep+sep) {
+						dragging=true;
+						drag_from=mb.x;
+						drag_ofs=expand_ofs;
+					}
+				}
+			} else {
+
+				dragging=false;
+			}
+
+		}
+	}
+
+	if (p_event.type==InputEvent::MOUSE_MOTION) {
+
+		const InputEventMouseMotion &mm=p_event.mouse_motion;
+
+		if (dragging) {
+
+			expand_ofs=drag_ofs+((vertical?mm.y:mm.x)-drag_from);
+			queue_sort();
+		}
+	}
+
+}
+
+Control::CursorShape SplitContainer::get_cursor_shape(const Point2& p_pos) {
+
+	if (collapsed)
+		return Control::get_cursor_shape(p_pos);
+
+	if (dragging)
+		return (vertical?CURSOR_VSIZE:CURSOR_HSIZE);
+
+	int sep=get_constant("separation");
+
+	if (vertical) {
+
+
+		if (p_pos.y > middle_sep && p_pos.y < middle_sep+sep) {
+			return CURSOR_VSIZE;
+		}
+	} else {
+
+		if (p_pos.x > middle_sep && p_pos.x < middle_sep+sep) {
+			return CURSOR_HSIZE;
+		}
+	}
+
+	return Control::get_cursor_shape(p_pos);
+
+}
+
+void SplitContainer::set_split_offset(int p_offset) {
+
+	if (expand_ofs==p_offset)
+		return;
+	expand_ofs=p_offset;
+	queue_sort();
+}
+
+int SplitContainer::get_split_offset() const {
+
+	return expand_ofs;
+}
+
+void SplitContainer::set_collapsed(bool p_collapsed) {
+
+	if (collapsed==p_collapsed)
+		return;
+	collapsed=p_collapsed;
+	queue_sort();
+
+}
+
+void SplitContainer::set_dragger_visible(bool p_true) {
+
+	dragger_visible=p_true;
+	queue_sort();
+	update();
+}
+
+bool SplitContainer::is_dragger_visible() const{
+
+
+	return dragger_visible;
+}
+
+bool SplitContainer::is_collapsed() const {
+
+
+	return collapsed;
+}
+
+
+void SplitContainer::_bind_methods() {
+
+	ObjectTypeDB::bind_method(_MD("_input_event"),&SplitContainer::_input_event);
+	ObjectTypeDB::bind_method(_MD("set_split_offset","offset"),&SplitContainer::set_split_offset);
+	ObjectTypeDB::bind_method(_MD("get_split_offset"),&SplitContainer::get_split_offset);
+
+	ObjectTypeDB::bind_method(_MD("set_collapsed","collapsed"),&SplitContainer::set_collapsed);
+	ObjectTypeDB::bind_method(_MD("is_collapsed"),&SplitContainer::is_collapsed);
+
+	ObjectTypeDB::bind_method(_MD("set_dragger_visible","visible"),&SplitContainer::set_dragger_visible);
+	ObjectTypeDB::bind_method(_MD("is_dragger_visible"),&SplitContainer::is_dragger_visible);
+
+
+	ADD_PROPERTY( PropertyInfo(Variant::INT,"split/offset"),_SCS("set_split_offset"),_SCS("get_split_offset"));
+	ADD_PROPERTY( PropertyInfo(Variant::INT,"split/collapsed"),_SCS("set_collapsed"),_SCS("is_collapsed"));
+	ADD_PROPERTY( PropertyInfo(Variant::INT,"split/dragger_visible"),_SCS("set_dragger_visible"),_SCS("is_dragger_visible"));
+
+}
+
+SplitContainer::SplitContainer(bool p_vertical) {
+
+
+	mouse_inside=false;
+	expand_ofs=0;
+	middle_sep=0;
+	vertical=p_vertical;
+	dragging=false;
+	collapsed=false;
+	dragger_visible=true;
+}
+
+