godot/scene/gui/button_array.cpp

543 lines
16 KiB
C++

/*************************************************************************/
/* button_array.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 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 "button_array.h"
bool ButtonArray::_set(const StringName &p_name, const Variant &p_value) {
String n = String(p_name);
if (n.begins_with("button/")) {
String what = n.get_slicec('/', 1);
if (what == "count") {
int new_size = p_value;
if (new_size > 0 && buttons.size() == 0) {
selected = 0;
}
if (new_size < buttons.size()) {
if (selected >= new_size)
selected = new_size - 1;
}
buttons.resize(new_size);
_change_notify();
minimum_size_changed();
} else if (what == "align") {
set_align(Align(p_value.operator int()));
} else if (what == "selected") {
set_selected(p_value);
} else if (what == "min_button_size") {
min_button_size = p_value;
} else {
int idx = what.to_int();
ERR_FAIL_INDEX_V(idx, buttons.size(), false);
String f = n.get_slicec('/', 2);
if (f == "text") {
buttons[idx].text = p_value;
buttons[idx].xl_text = XL_MESSAGE(p_value);
} else if (f == "tooltip")
buttons[idx].tooltip = p_value;
else if (f == "icon")
buttons[idx].icon = p_value;
else
return false;
}
update();
return true;
}
return false;
}
bool ButtonArray::_get(const StringName &p_name, Variant &r_ret) const {
String n = String(p_name);
if (n.begins_with("button/")) {
String what = n.get_slicec('/', 1);
if (what == "count") {
r_ret = buttons.size();
} else if (what == "align") {
r_ret = get_align();
} else if (what == "selected") {
r_ret = get_selected();
} else if (what == "min_button_size") {
r_ret = min_button_size;
} else {
int idx = what.to_int();
ERR_FAIL_INDEX_V(idx, buttons.size(), false);
String f = n.get_slicec('/', 2);
if (f == "text")
r_ret = buttons[idx].text;
else if (f == "tooltip")
r_ret = buttons[idx].tooltip;
else if (f == "icon")
r_ret = buttons[idx].icon;
else
return false;
}
return true;
}
return false;
}
void ButtonArray::_get_property_list(List<PropertyInfo> *p_list) const {
p_list->push_back(PropertyInfo(Variant::INT, "button/count", PROPERTY_HINT_RANGE, "0,512,1"));
p_list->push_back(PropertyInfo(Variant::INT, "button/min_button_size", PROPERTY_HINT_RANGE, "0,1024,1"));
p_list->push_back(PropertyInfo(Variant::INT, "button/align", PROPERTY_HINT_ENUM, "Begin,Center,End,Fill,Expand"));
for (int i = 0; i < buttons.size(); i++) {
String base = "button/" + itos(i) + "/";
p_list->push_back(PropertyInfo(Variant::STRING, base + "text"));
p_list->push_back(PropertyInfo(Variant::STRING, base + "tooltip"));
p_list->push_back(PropertyInfo(Variant::OBJECT, base + "icon", PROPERTY_HINT_RESOURCE_TYPE, "Texture"));
}
if (buttons.size() > 0) {
p_list->push_back(PropertyInfo(Variant::INT, "button/selected", PROPERTY_HINT_RANGE, "0," + itos(buttons.size() - 1) + ",1"));
}
}
Size2 ButtonArray::get_minimum_size() const {
Ref<StyleBox> style_normal = get_stylebox("normal");
Ref<StyleBox> style_selected = get_stylebox("selected");
Ref<Font> font_normal = get_font("font");
Ref<Font> font_selected = get_font("font_selected");
int icon_sep = get_constant("icon_separator");
int button_sep = get_constant("button_separator");
Size2 minsize;
for (int i = 0; i < buttons.size(); i++) {
Ref<StyleBox> sb = i == selected ? style_selected : style_normal;
Ref<Font> f = i == selected ? font_selected : font_normal;
Size2 ms;
ms = f->get_string_size(buttons[i].xl_text);
if (buttons[i].icon.is_valid()) {
Size2 bs = buttons[i].icon->get_size();
ms.height = MAX(ms.height, bs.height);
ms.width += bs.width + icon_sep;
}
ms += sb->get_minimum_size();
buttons[i]._ms_cache = ms[orientation];
minsize[orientation] += ms[orientation];
if (i > 0)
minsize[orientation] += button_sep;
minsize[!orientation] = MAX(minsize[!orientation], ms[!orientation]);
}
return minsize;
}
void ButtonArray::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_MOUSE_EXIT: {
hover = -1;
update();
} break;
case NOTIFICATION_READY: {
MethodInfo mi;
mi.name = "mouse_sub_enter";
add_user_signal(mi);
} break;
case NOTIFICATION_DRAW: {
Size2 size = get_size();
Size2 minsize = get_combined_minimum_size();
Ref<StyleBox> style_normal = get_stylebox("normal");
Ref<StyleBox> style_selected = get_stylebox("selected");
Ref<StyleBox> style_focus = get_stylebox("focus");
Ref<StyleBox> style_hover = get_stylebox("hover");
Ref<Font> font_normal = get_font("font");
Ref<Font> font_selected = get_font("font_selected");
int icon_sep = get_constant("icon_separator");
int button_sep = get_constant("button_separator");
Color color_normal = get_color("font_color");
Color color_selected = get_color("font_color_selected");
int sep = button_sep;
int ofs = 0;
int expand = 0;
switch (align) {
case ALIGN_BEGIN: {
ofs = 0;
} break;
case ALIGN_CENTER: {
ofs = Math::floor((size[orientation] - minsize[orientation]) / 2);
} break;
case ALIGN_END: {
ofs = Math::floor((size[orientation] - minsize[orientation]));
} break;
case ALIGN_FILL: {
if (buttons.size() > 1)
sep += Math::floor((size[orientation] - minsize[orientation]) / (buttons.size() - 1.0));
ofs = 0;
} break;
case ALIGN_EXPAND_FILL: {
ofs = 0;
expand = size[orientation] - minsize[orientation];
} break;
}
int op_size = orientation == VERTICAL ? size.width : size.height;
for (int i = 0; i < buttons.size(); i++) {
int ms = buttons[i]._ms_cache;
int s = ms;
if (expand > 0) {
s += expand / buttons.size();
}
if (min_button_size != -1 && s < min_button_size) {
s = min_button_size;
}
Rect2 r;
r.pos[orientation] = ofs;
r.pos[!orientation] = 0;
r.size[orientation] = s;
r.size[!orientation] = op_size;
Ref<Font> f;
Color c;
Point2 sbsize;
Point2 sbofs;
if (i == selected) {
draw_style_box(style_selected, r);
sbsize = style_selected->get_minimum_size();
sbofs = style_selected->get_offset();
f = font_selected;
c = color_selected;
if (has_focus())
draw_style_box(style_focus, r);
} else {
if (hover == i)
draw_style_box(style_hover, r);
else if (!flat)
draw_style_box(style_normal, r);
sbsize = style_normal->get_minimum_size();
sbofs = style_normal->get_offset();
f = font_normal;
c = color_normal;
}
Size2 ssize = f->get_string_size(buttons[i].xl_text);
if (buttons[i].icon.is_valid()) {
ssize.x += buttons[i].icon->get_width();
}
Point2 text_ofs = ((r.size - ssize - sbsize) / 2.0 + Point2(0, f->get_ascent())).floor() + sbofs;
if (buttons[i].icon.is_valid()) {
draw_texture(buttons[i].icon, r.pos + Point2(text_ofs.x, Math::floor((r.size.height - buttons[i].icon->get_height()) / 2.0)));
text_ofs.x += buttons[i].icon->get_width() + icon_sep;
}
draw_string(f, text_ofs + r.pos, buttons[i].xl_text, c);
buttons[i]._pos_cache = ofs;
buttons[i]._size_cache = s;
ofs += s;
ofs += sep;
}
} break;
}
}
void ButtonArray::_gui_input(const InputEvent &p_event) {
if (
((orientation == HORIZONTAL && p_event.is_action("ui_left")) ||
(orientation == VERTICAL && p_event.is_action("ui_up"))) &&
p_event.is_pressed() && selected > 0) {
set_selected(selected - 1);
accept_event();
emit_signal("button_selected", selected);
return;
}
if (
((orientation == HORIZONTAL && p_event.is_action("ui_right")) ||
(orientation == VERTICAL && p_event.is_action("ui_down"))) &&
p_event.is_pressed() && selected < (buttons.size() - 1)) {
set_selected(selected + 1);
accept_event();
emit_signal("button_selected", selected);
return;
}
if (p_event.type == InputEvent::MOUSE_BUTTON && p_event.mouse_button.pressed && p_event.mouse_button.button_index == BUTTON_LEFT) {
int ofs = orientation == HORIZONTAL ? p_event.mouse_button.x : p_event.mouse_button.y;
for (int i = 0; i < buttons.size(); i++) {
if (ofs >= buttons[i]._pos_cache && ofs < buttons[i]._pos_cache + buttons[i]._size_cache) {
set_selected(i);
emit_signal("button_selected", i);
return;
}
}
}
if (p_event.type == InputEvent::MOUSE_MOTION) {
int ofs = orientation == HORIZONTAL ? p_event.mouse_motion.x : p_event.mouse_motion.y;
int new_hover = -1;
for (int i = 0; i < buttons.size(); i++) {
if (ofs >= buttons[i]._pos_cache && ofs < buttons[i]._pos_cache + buttons[i]._size_cache) {
new_hover = i;
break;
}
}
if (new_hover != hover) {
hover = new_hover;
emit_signal("mouse_sub_enter");
update();
}
}
}
String ButtonArray::get_tooltip(const Point2 &p_pos) const {
int ofs = orientation == HORIZONTAL ? p_pos.x : p_pos.y;
for (int i = 0; i < buttons.size(); i++) {
if (ofs >= buttons[i]._pos_cache && ofs < buttons[i]._pos_cache + buttons[i]._size_cache)
return buttons[i].tooltip;
}
return Control::get_tooltip(p_pos);
}
void ButtonArray::set_align(Align p_align) {
align = p_align;
update();
}
ButtonArray::Align ButtonArray::get_align() const {
return align;
}
void ButtonArray::set_flat(bool p_flat) {
flat = p_flat;
update();
}
bool ButtonArray::is_flat() const {
return flat;
}
void ButtonArray::add_button(const String &p_text, const String &p_tooltip) {
Button button;
button.text = p_text;
button.xl_text = XL_MESSAGE(p_text);
button.tooltip = p_tooltip;
buttons.push_back(button);
update();
if (selected == -1)
selected = 0;
minimum_size_changed();
}
void ButtonArray::add_icon_button(const Ref<Texture> &p_icon, const String &p_text, const String &p_tooltip) {
Button button;
button.text = p_text;
button.xl_text = XL_MESSAGE(p_text);
button.icon = p_icon;
button.tooltip = p_tooltip;
buttons.push_back(button);
if (selected == -1)
selected = 0;
update();
}
void ButtonArray::set_button_text(int p_button, const String &p_text) {
ERR_FAIL_INDEX(p_button, buttons.size());
buttons[p_button].text = p_text;
buttons[p_button].xl_text = XL_MESSAGE(p_text);
update();
minimum_size_changed();
}
void ButtonArray::set_button_tooltip(int p_button, const String &p_text) {
ERR_FAIL_INDEX(p_button, buttons.size());
buttons[p_button].tooltip = p_text;
}
void ButtonArray::set_button_icon(int p_button, const Ref<Texture> &p_icon) {
ERR_FAIL_INDEX(p_button, buttons.size());
buttons[p_button].icon = p_icon;
update();
minimum_size_changed();
}
String ButtonArray::get_button_text(int p_button) const {
ERR_FAIL_INDEX_V(p_button, buttons.size(), "");
return buttons[p_button].text;
}
String ButtonArray::get_button_tooltip(int p_button) const {
ERR_FAIL_INDEX_V(p_button, buttons.size(), "");
return buttons[p_button].tooltip;
}
Ref<Texture> ButtonArray::get_button_icon(int p_button) const {
ERR_FAIL_INDEX_V(p_button, buttons.size(), Ref<Texture>());
return buttons[p_button].icon;
}
int ButtonArray::get_selected() const {
return selected;
}
int ButtonArray::get_hovered() const {
return hover;
}
void ButtonArray::set_selected(int p_selected) {
ERR_FAIL_INDEX(p_selected, buttons.size());
selected = p_selected;
update();
}
void ButtonArray::erase_button(int p_button) {
ERR_FAIL_INDEX(p_button, buttons.size());
buttons.remove(p_button);
if (p_button >= selected)
selected--;
if (selected < 0)
selected = 0;
if (selected >= buttons.size())
selected = buttons.size() - 1;
update();
}
void ButtonArray::clear() {
buttons.clear();
selected = -1;
update();
}
int ButtonArray::get_button_count() const {
return buttons.size();
}
void ButtonArray::get_translatable_strings(List<String> *p_strings) const {
for (int i = 0; i < buttons.size(); i++) {
p_strings->push_back(buttons[i].text);
p_strings->push_back(buttons[i].tooltip);
}
}
void ButtonArray::_bind_methods() {
ClassDB::bind_method(D_METHOD("add_button", "text", "tooltip"), &ButtonArray::add_button, DEFVAL(""));
ClassDB::bind_method(D_METHOD("add_icon_button", "icon:Texture", "text", "tooltip"), &ButtonArray::add_icon_button, DEFVAL(""), DEFVAL(""));
ClassDB::bind_method(D_METHOD("set_button_text", "button_idx", "text"), &ButtonArray::set_button_text);
ClassDB::bind_method(D_METHOD("set_button_tooltip", "button_idx", "text"), &ButtonArray::set_button_tooltip);
ClassDB::bind_method(D_METHOD("set_button_icon", "button_idx", "icon:Texture"), &ButtonArray::set_button_icon);
ClassDB::bind_method(D_METHOD("get_button_text", "button_idx"), &ButtonArray::get_button_text);
ClassDB::bind_method(D_METHOD("get_button_tooltip", "button_idx"), &ButtonArray::get_button_tooltip);
ClassDB::bind_method(D_METHOD("get_button_icon:Texture", "button_idx"), &ButtonArray::get_button_icon);
ClassDB::bind_method(D_METHOD("get_button_count"), &ButtonArray::get_button_count);
ClassDB::bind_method(D_METHOD("set_flat", "enabled"), &ButtonArray::set_flat);
ClassDB::bind_method(D_METHOD("is_flat"), &ButtonArray::is_flat);
ClassDB::bind_method(D_METHOD("get_selected"), &ButtonArray::get_selected);
ClassDB::bind_method(D_METHOD("get_hovered"), &ButtonArray::get_hovered);
ClassDB::bind_method(D_METHOD("set_selected", "button_idx"), &ButtonArray::set_selected);
ClassDB::bind_method(D_METHOD("erase_button", "button_idx"), &ButtonArray::erase_button);
ClassDB::bind_method(D_METHOD("clear"), &ButtonArray::clear);
ClassDB::bind_method(D_METHOD("_gui_input"), &ButtonArray::_gui_input);
BIND_CONSTANT(ALIGN_BEGIN);
BIND_CONSTANT(ALIGN_CENTER);
BIND_CONSTANT(ALIGN_END);
BIND_CONSTANT(ALIGN_FILL);
BIND_CONSTANT(ALIGN_EXPAND_FILL);
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "flat"), "set_flat", "is_flat");
ADD_SIGNAL(MethodInfo("button_selected", PropertyInfo(Variant::INT, "button_idx")));
}
ButtonArray::ButtonArray(Orientation p_orientation) {
orientation = p_orientation;
selected = -1;
set_focus_mode(FOCUS_ALL);
hover = -1;
flat = false;
min_button_size = -1;
}