mirror of
https://github.com/godotengine/godot.git
synced 2025-10-31 13:41:03 +00:00
358 lines
10 KiB
C++
358 lines
10 KiB
C++
/*************************************************************************/
|
|
/* split_container.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
|
|
/* */
|
|
/* 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 "label.h"
|
|
#include "margin_container.h"
|
|
|
|
Control *SplitContainer::_getch(int p_idx) const {
|
|
|
|
int idx = 0;
|
|
|
|
for (int i = 0; i < get_child_count(); i++) {
|
|
Control *c = Object::cast_to<Control>(get_child(i));
|
|
if (!c || !c->is_visible_in_tree())
|
|
continue;
|
|
if (c->is_set_as_toplevel())
|
|
continue;
|
|
|
|
if (idx == p_idx)
|
|
return c;
|
|
|
|
idx++;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
void SplitContainer::_resort() {
|
|
int axis = vertical ? 1 : 0;
|
|
|
|
Control *first = _getch(0);
|
|
Control *second = _getch(1);
|
|
|
|
// If we have only one element
|
|
if (!first || !second) {
|
|
if (first) {
|
|
fit_child_in_rect(first, Rect2(Point2(), get_size()));
|
|
} else if (second) {
|
|
fit_child_in_rect(second, Rect2(Point2(), get_size()));
|
|
}
|
|
return;
|
|
}
|
|
|
|
// Determine expanded children
|
|
bool first_expanded = (vertical ? first->get_v_size_flags() : first->get_h_size_flags()) & SIZE_EXPAND;
|
|
bool second_expanded = (vertical ? second->get_v_size_flags() : second->get_h_size_flags()) & SIZE_EXPAND;
|
|
|
|
// Determine the separation between items
|
|
Ref<Texture> g = get_icon("grabber");
|
|
int sep = get_constant("separation");
|
|
sep = (dragger_visibility != DRAGGER_HIDDEN_COLLAPSED) ? MAX(sep, vertical ? g->get_height() : g->get_width()) : 0;
|
|
|
|
// Compute the minimum size
|
|
Size2 ms_first = first->get_combined_minimum_size();
|
|
Size2 ms_second = second->get_combined_minimum_size();
|
|
|
|
// Compute the separator position without the split offset
|
|
float ratio = first->get_stretch_ratio() / (first->get_stretch_ratio() + second->get_stretch_ratio());
|
|
int no_offset_middle_sep = 0;
|
|
if (first_expanded && second_expanded) {
|
|
no_offset_middle_sep = get_size()[axis] * ratio - sep / 2;
|
|
} else if (first_expanded) {
|
|
no_offset_middle_sep = get_size()[axis] - ms_second[axis] - sep;
|
|
} else {
|
|
no_offset_middle_sep = ms_first[axis];
|
|
}
|
|
|
|
// Compute the final middle separation
|
|
middle_sep = no_offset_middle_sep;
|
|
if (!collapsed) {
|
|
int clamped_split_offset = CLAMP(split_offset, ms_first[axis] - no_offset_middle_sep, (get_size()[axis] - ms_second[axis] - sep) - no_offset_middle_sep);
|
|
middle_sep += clamped_split_offset;
|
|
if (should_clamp_split_offset) {
|
|
split_offset = clamped_split_offset;
|
|
_change_notify("split_offset");
|
|
should_clamp_split_offset = false;
|
|
}
|
|
}
|
|
|
|
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();
|
|
}
|
|
|
|
Size2 SplitContainer::get_minimum_size() const {
|
|
|
|
/* Calculate MINIMUM SIZE */
|
|
|
|
Size2i minimum;
|
|
Ref<Texture> g = get_icon("grabber");
|
|
int sep = get_constant("separation");
|
|
sep = (dragger_visibility != DRAGGER_HIDDEN_COLLAPSED) ? 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_visibility != DRAGGER_HIDDEN_COLLAPSED ? get_constant("separation") : 0;
|
|
Ref<Texture> tex = get_icon("grabber");
|
|
Size2 size = get_size();
|
|
if (dragger_visibility == DRAGGER_VISIBLE) {
|
|
|
|
if (vertical)
|
|
draw_texture(tex, Point2i((size.x - tex->get_width()) / 2, middle_sep + (sep - tex->get_height()) / 2));
|
|
else
|
|
draw_texture(tex, Point2i(middle_sep + (sep - tex->get_width()) / 2, (size.y - tex->get_height()) / 2));
|
|
}
|
|
} break;
|
|
case NOTIFICATION_THEME_CHANGED: {
|
|
|
|
minimum_size_changed();
|
|
} break;
|
|
}
|
|
}
|
|
|
|
void SplitContainer::_gui_input(const Ref<InputEvent> &p_event) {
|
|
|
|
if (collapsed || !_getch(0) || !_getch(1) || dragger_visibility != DRAGGER_VISIBLE)
|
|
return;
|
|
|
|
Ref<InputEventMouseButton> mb = p_event;
|
|
|
|
if (mb.is_valid()) {
|
|
|
|
if (mb->get_button_index() == BUTTON_LEFT) {
|
|
|
|
if (mb->is_pressed()) {
|
|
|
|
int sep = get_constant("separation");
|
|
|
|
if (vertical) {
|
|
|
|
if (mb->get_position().y > middle_sep && mb->get_position().y < middle_sep + sep) {
|
|
|
|
dragging = true;
|
|
drag_from = mb->get_position().y;
|
|
drag_ofs = split_offset;
|
|
}
|
|
} else {
|
|
|
|
if (mb->get_position().x > middle_sep && mb->get_position().x < middle_sep + sep) {
|
|
|
|
dragging = true;
|
|
drag_from = mb->get_position().x;
|
|
drag_ofs = split_offset;
|
|
}
|
|
}
|
|
} else {
|
|
|
|
dragging = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
Ref<InputEventMouseMotion> mm = p_event;
|
|
|
|
if (mm.is_valid() && dragging) {
|
|
|
|
split_offset = drag_ofs + ((vertical ? mm->get_position().y : mm->get_position().x) - drag_from);
|
|
should_clamp_split_offset = true;
|
|
queue_sort();
|
|
emit_signal("dragged", get_split_offset());
|
|
}
|
|
}
|
|
|
|
Control::CursorShape SplitContainer::get_cursor_shape(const Point2 &p_pos) const {
|
|
|
|
if (dragging)
|
|
return (vertical ? CURSOR_VSIZE : CURSOR_HSIZE);
|
|
|
|
if (!collapsed && _getch(0) && _getch(1) && dragger_visibility == DRAGGER_VISIBLE) {
|
|
|
|
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 (split_offset == p_offset)
|
|
return;
|
|
|
|
split_offset = p_offset;
|
|
|
|
queue_sort();
|
|
}
|
|
|
|
int SplitContainer::get_split_offset() const {
|
|
|
|
return split_offset;
|
|
}
|
|
|
|
void SplitContainer::clamp_split_offset() {
|
|
should_clamp_split_offset = true;
|
|
|
|
queue_sort();
|
|
}
|
|
|
|
void SplitContainer::set_collapsed(bool p_collapsed) {
|
|
|
|
if (collapsed == p_collapsed)
|
|
return;
|
|
|
|
collapsed = p_collapsed;
|
|
queue_sort();
|
|
}
|
|
|
|
void SplitContainer::set_dragger_visibility(DraggerVisibility p_visibility) {
|
|
|
|
dragger_visibility = p_visibility;
|
|
queue_sort();
|
|
update();
|
|
}
|
|
|
|
SplitContainer::DraggerVisibility SplitContainer::get_dragger_visibility() const {
|
|
|
|
return dragger_visibility;
|
|
}
|
|
|
|
bool SplitContainer::is_collapsed() const {
|
|
|
|
return collapsed;
|
|
}
|
|
|
|
void SplitContainer::_bind_methods() {
|
|
|
|
ClassDB::bind_method(D_METHOD("_gui_input"), &SplitContainer::_gui_input);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_split_offset", "offset"), &SplitContainer::set_split_offset);
|
|
ClassDB::bind_method(D_METHOD("get_split_offset"), &SplitContainer::get_split_offset);
|
|
ClassDB::bind_method(D_METHOD("clamp_split_offset"), &SplitContainer::clamp_split_offset);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_collapsed", "collapsed"), &SplitContainer::set_collapsed);
|
|
ClassDB::bind_method(D_METHOD("is_collapsed"), &SplitContainer::is_collapsed);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_dragger_visibility", "mode"), &SplitContainer::set_dragger_visibility);
|
|
ClassDB::bind_method(D_METHOD("get_dragger_visibility"), &SplitContainer::get_dragger_visibility);
|
|
|
|
ADD_SIGNAL(MethodInfo("dragged", PropertyInfo(Variant::INT, "offset")));
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "split_offset"), "set_split_offset", "get_split_offset");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "collapsed"), "set_collapsed", "is_collapsed");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "dragger_visibility", PROPERTY_HINT_ENUM, "Visible,Hidden,Hidden & Collapsed"), "set_dragger_visibility", "get_dragger_visibility");
|
|
|
|
BIND_ENUM_CONSTANT(DRAGGER_VISIBLE);
|
|
BIND_ENUM_CONSTANT(DRAGGER_HIDDEN);
|
|
BIND_ENUM_CONSTANT(DRAGGER_HIDDEN_COLLAPSED);
|
|
}
|
|
|
|
SplitContainer::SplitContainer(bool p_vertical) {
|
|
|
|
mouse_inside = false;
|
|
split_offset = 0;
|
|
should_clamp_split_offset = false;
|
|
middle_sep = 0;
|
|
vertical = p_vertical;
|
|
dragging = false;
|
|
collapsed = false;
|
|
dragger_visibility = DRAGGER_VISIBLE;
|
|
}
|