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virtualx-engine/scene/gui/dialogs.cpp
Ray Koopa e07aa5deb8 Added functionality for resizable dialogs.
2017-03-01 23:40:10 +01:00

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/*************************************************************************/
/* dialogs.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 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 "dialogs.h"
#include "print_string.h"
#include "line_edit.h"
#include "translation.h"
void WindowDialog::_post_popup() {
drag_type = DRAG_NONE; // just in case
}
bool WindowDialog::has_point(const Point2& p_point) const {
Rect2 r(Point2(), get_size());
// Enlarge upwards for title bar.
int titlebar_height = get_constant("titlebar_height", "WindowDialog");
r.pos.y -= titlebar_height;
r.size.y += titlebar_height;
// Inflate by the resizable border thickness.
if (resizable) {
int scaleborder_size = get_constant("scaleborder_size", "WindowDialog");
r.pos.x -= scaleborder_size;
r.size.width += scaleborder_size * 2;
r.pos.y -= scaleborder_size;
r.size.height += scaleborder_size * 2;
}
return r.has_point(p_point);
}
void WindowDialog::_gui_input(const InputEvent& p_event) {
if (p_event.type == InputEvent::MOUSE_BUTTON && p_event.mouse_button.button_index == BUTTON_LEFT) {
if (p_event.mouse_button.pressed) {
// Begin a possible dragging operation.
drag_type = _drag_hit_test(Point2(p_event.mouse_button.x, p_event.mouse_button.y));
if (drag_type != DRAG_NONE)
drag_offset = get_global_mouse_pos() - get_pos();
drag_offset_far = get_pos() + get_size() - get_global_mouse_pos();
} else if (drag_type != DRAG_NONE && !p_event.mouse_button.pressed) {
// End a dragging operation.
drag_type = DRAG_NONE;
}
}
if (p_event.type == InputEvent::MOUSE_MOTION) {
if (drag_type == DRAG_NONE) {
// Update the cursor while moving along the borders.
CursorShape cursor = CURSOR_ARROW;
if (resizable) {
int preview_drag_type = _drag_hit_test(Point2(p_event.mouse_button.x, p_event.mouse_button.y));
switch (preview_drag_type) {
case DRAG_RESIZE_TOP:
case DRAG_RESIZE_BOTTOM:
cursor = CURSOR_VSIZE;
break;
case DRAG_RESIZE_LEFT:
case DRAG_RESIZE_RIGHT:
cursor = CURSOR_HSIZE;
break;
case DRAG_RESIZE_TOP + DRAG_RESIZE_LEFT:
case DRAG_RESIZE_BOTTOM + DRAG_RESIZE_RIGHT:
cursor = CURSOR_FDIAGSIZE;
break;
case DRAG_RESIZE_TOP + DRAG_RESIZE_RIGHT:
case DRAG_RESIZE_BOTTOM + DRAG_RESIZE_LEFT:
cursor = CURSOR_BDIAGSIZE;
break;
}
}
if (get_cursor_shape() != cursor)
set_default_cursor_shape(cursor);
} else {
// Update while in a dragging operation.
Point2 global_pos = get_global_mouse_pos();
global_pos.y = MAX(global_pos.y, 0); // Ensure title bar stays visible.
Rect2 rect = get_rect();
Size2 min_size = get_minimum_size();
if (drag_type == DRAG_MOVE) {
rect.pos = global_pos - drag_offset;
} else {
if (drag_type & DRAG_RESIZE_TOP) {
int bottom = rect.pos.y + rect.size.height;
int max_y = bottom - min_size.height;
rect.pos.y = MIN(global_pos.y - drag_offset.y, max_y);
rect.size.height = bottom - rect.pos.y;
} else if (drag_type & DRAG_RESIZE_BOTTOM) {
rect.size.height = global_pos.y - rect.pos.y + drag_offset_far.y;
}
if (drag_type & DRAG_RESIZE_LEFT) {
int right = rect.pos.x + rect.size.width;
int max_x = right - min_size.width;
rect.pos.x = MIN(global_pos.x - drag_offset.x, max_x);
rect.size.width = right - rect.pos.x;
} else if (drag_type & DRAG_RESIZE_RIGHT) {
rect.size.width = global_pos.x - rect.pos.x + drag_offset_far.x;
}
}
set_size(rect.size);
set_pos(rect.pos);
}
}
}
void WindowDialog::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_DRAW: {
RID canvas = get_canvas_item();
Size2 size = get_size();
Ref<StyleBox> panel = get_stylebox("panel", "WindowDialog");
panel->draw(canvas, Rect2(Point2(), size));
int title_height = get_constant("title_height", "WindowDialog");
Color title_color = get_color("title_color", "WindowDialog");
Ref<Font> font = get_font("title_font", "WindowDialog");
int ofs = (size.width - font->get_string_size(title).width) / 2;
draw_string(font, Point2(ofs, -title_height + font->get_ascent()), title, title_color, size.width - panel->get_minimum_size().width);
} break;
case NOTIFICATION_THEME_CHANGED:
case NOTIFICATION_ENTER_TREE: {
close_button->set_normal_texture(get_icon("close", "WindowDialog"));
close_button->set_pressed_texture(get_icon("close", "WindowDialog"));
close_button->set_hover_texture(get_icon("close_hilite", "WindowDialog"));
close_button->set_anchor(MARGIN_LEFT, ANCHOR_END);
close_button->set_begin(Point2(get_constant("close_h_ofs", "WindowDialog"), -get_constant("close_v_ofs", "WindowDialog")));
} break;
case NOTIFICATION_MOUSE_EXIT: {
// Reset the mouse cursor when leaving the resizable window border.
if (resizable && !drag_type) {
if (get_default_cursor_shape() != CURSOR_ARROW)
set_default_cursor_shape(CURSOR_ARROW);
}
} break;
}
}
void WindowDialog::_closed() {
_close_pressed();
hide();
}
int WindowDialog::_drag_hit_test(const Point2& pos) const {
int drag_type = DRAG_NONE;
if (resizable) {
int titlebar_height = get_constant("titlebar_height", "WindowDialog");
int scaleborder_size = get_constant("scaleborder_size", "WindowDialog");
Rect2 rect = get_rect();
if (pos.y < (-titlebar_height + scaleborder_size))
drag_type = DRAG_RESIZE_TOP;
else if (pos.y >= (rect.size.height - scaleborder_size))
drag_type = DRAG_RESIZE_BOTTOM;
if (pos.x < scaleborder_size)
drag_type |= DRAG_RESIZE_LEFT;
else if (pos.x >= (rect.size.width - scaleborder_size))
drag_type |= DRAG_RESIZE_RIGHT;
}
if (drag_type == DRAG_NONE && pos.y < 0)
drag_type = DRAG_MOVE;
return drag_type;
}
void WindowDialog::set_title(const String& p_title) {
title=XL_MESSAGE(p_title);
update();
}
String WindowDialog::get_title() const {
return title;
}
void WindowDialog::set_resizable(bool p_resizable) {
resizable = p_resizable;
}
bool WindowDialog::get_resizable() const {
return resizable;
}
Size2 WindowDialog::get_minimum_size() const {
Ref<Font> font = get_font("title_font","WindowDialog");
int msx=close_button->get_combined_minimum_size().x;
msx+=font->get_string_size(title).x;
return Size2(msx,1);
}
TextureButton *WindowDialog::get_close_button() {
return close_button;
}
void WindowDialog::_bind_methods() {
ClassDB::bind_method( D_METHOD("_gui_input"),&WindowDialog::_gui_input);
ClassDB::bind_method( D_METHOD("set_title","title"),&WindowDialog::set_title);
ClassDB::bind_method( D_METHOD("get_title"),&WindowDialog::get_title);
ClassDB::bind_method( D_METHOD("set_resizable","resizable"),&WindowDialog::set_resizable);
ClassDB::bind_method( D_METHOD("get_resizable"), &WindowDialog::get_resizable);
ClassDB::bind_method( D_METHOD("_closed"),&WindowDialog::_closed);
ClassDB::bind_method( D_METHOD("get_close_button:TextureButton"),&WindowDialog::get_close_button);
ADD_PROPERTY( PropertyInfo(Variant::STRING,"window_title",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_DEFAULT_INTL),"set_title","get_title");
ADD_PROPERTY( PropertyInfo(Variant::BOOL,"resizable",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_DEFAULT_INTL),"set_resizable","get_resizable");
}
WindowDialog::WindowDialog() {
//title="Hello!";
drag_type = DRAG_NONE;
resizable = false;
close_button = memnew(TextureButton);
add_child(close_button);
close_button->connect("pressed", this, "_closed");
}
WindowDialog::~WindowDialog(){
}
void PopupDialog::_notification(int p_what) {
if (p_what==NOTIFICATION_DRAW) {
RID ci = get_canvas_item();
get_stylebox("panel","PopupMenu")->draw(ci,Rect2(Point2(),get_size()));
}
}
PopupDialog::PopupDialog() {
}
PopupDialog::~PopupDialog() {
}
// AcceptDialog
void AcceptDialog::_post_popup() {
WindowDialog::_post_popup();
get_ok()->grab_focus();
}
void AcceptDialog::_notification(int p_what) {
if (p_what==NOTIFICATION_MODAL_CLOSE) {
cancel_pressed();
} else if (p_what==NOTIFICATION_RESIZED) {
_update_child_rects();
}
}
void AcceptDialog::_builtin_text_entered(const String& p_text) {
_ok_pressed();
}
void AcceptDialog::_ok_pressed() {
if (hide_on_ok)
hide();
ok_pressed();
emit_signal("confirmed");
}
void AcceptDialog::_close_pressed() {
cancel_pressed();
}
String AcceptDialog::get_text() const {
return label->get_text();
}
void AcceptDialog::set_text(String p_text) {
label->set_text(p_text);
minimum_size_changed();
_update_child_rects();
}
void AcceptDialog::set_hide_on_ok(bool p_hide) {
hide_on_ok=p_hide;
}
bool AcceptDialog::get_hide_on_ok() const {
return hide_on_ok;
}
void AcceptDialog::register_text_enter(Node *p_line_edit) {
ERR_FAIL_NULL(p_line_edit);
p_line_edit->connect("text_entered", this,"_builtin_text_entered");
}
void AcceptDialog::_update_child_rects() {
Size2 label_size=label->get_minimum_size();
if (label->get_text().empty()) {
label_size.height = 0;
}
int margin = get_constant("margin","Dialogs");
Size2 size = get_size();
Size2 hminsize = hbc->get_combined_minimum_size();
Vector2 cpos(margin,margin+label_size.height);
Vector2 csize(size.x-margin*2,size.y-margin*3-hminsize.y-label_size.height);
for(int i=0;i<get_child_count();i++) {
Control *c = get_child(i)->cast_to<Control>();
if (!c)
continue;
if (c==hbc || c==label || c==get_close_button() || c->is_set_as_toplevel())
continue;
c->set_pos(cpos);
c->set_size(csize);
}
cpos.y+=csize.y+margin;
csize.y=hminsize.y;
hbc->set_pos(cpos);
hbc->set_size(csize);
}
Size2 AcceptDialog::get_minimum_size() const {
int margin = get_constant("margin","Dialogs");
Size2 minsize = label->get_combined_minimum_size();
for(int i=0;i<get_child_count();i++) {
Control *c = get_child(i)->cast_to<Control>();
if (!c)
continue;
if (c==hbc || c==label || c==const_cast<AcceptDialog*>(this)->get_close_button() || c->is_set_as_toplevel())
continue;
Size2 cminsize = c->get_combined_minimum_size();
minsize.x=MAX(cminsize.x,minsize.x);
minsize.y=MAX(cminsize.y,minsize.y);
}
Size2 hminsize = hbc->get_combined_minimum_size();
minsize.x = MAX(hminsize.x,minsize.x);
minsize.y+=hminsize.y;
minsize.x+=margin*2;
minsize.y+=margin*3; //one as separation between hbc and child
Size2 wmsize = WindowDialog::get_minimum_size();
minsize.x=MAX(wmsize.x,minsize.x);
return minsize;
}
void AcceptDialog::_custom_action(const String& p_action) {
emit_signal("custom_action",p_action);
custom_action(p_action);
}
Button* AcceptDialog::add_button(const String& p_text,bool p_right,const String& p_action) {
Button *button = memnew( Button );
button->set_text(p_text);
if (p_right) {
hbc->add_child(button);
hbc->add_spacer();
} else {
hbc->add_child(button);
hbc->move_child(button,0);
hbc->add_spacer(true);
}
if (p_action!="") {
button->connect("pressed",this,"_custom_action",varray(p_action));
}
return button;
}
Button* AcceptDialog::add_cancel(const String &p_cancel) {
String c = p_cancel;
if (p_cancel=="")
c=RTR("Cancel");
Button *b = swap_ok_cancel ? add_button(c,true) : add_button(c);
b->connect("pressed",this,"_closed");
return b;
}
void AcceptDialog::_bind_methods() {
ClassDB::bind_method(D_METHOD("_ok"),&AcceptDialog::_ok_pressed);
ClassDB::bind_method(D_METHOD("get_ok"),&AcceptDialog::get_ok);
ClassDB::bind_method(D_METHOD("get_label"),&AcceptDialog::get_label);
ClassDB::bind_method(D_METHOD("set_hide_on_ok","enabled"),&AcceptDialog::set_hide_on_ok);
ClassDB::bind_method(D_METHOD("get_hide_on_ok"),&AcceptDialog::get_hide_on_ok);
ClassDB::bind_method(D_METHOD("add_button:Button","text","right","action"),&AcceptDialog::add_button,DEFVAL(false),DEFVAL(""));
ClassDB::bind_method(D_METHOD("add_cancel:Button","name"),&AcceptDialog::add_cancel);
ClassDB::bind_method(D_METHOD("_builtin_text_entered"),&AcceptDialog::_builtin_text_entered);
ClassDB::bind_method(D_METHOD("register_text_enter:LineEdit","line_edit"),&AcceptDialog::register_text_enter);
ClassDB::bind_method(D_METHOD("_custom_action"),&AcceptDialog::_custom_action);
ClassDB::bind_method(D_METHOD("set_text","text"),&AcceptDialog::set_text);
ClassDB::bind_method(D_METHOD("get_text"),&AcceptDialog::get_text);
ADD_SIGNAL( MethodInfo("confirmed") );
ADD_SIGNAL( MethodInfo("custom_action",PropertyInfo(Variant::STRING,"action")) );
ADD_GROUP("Dialog","dialog");
ADD_PROPERTYNZ( PropertyInfo(Variant::STRING,"dialog_text",PROPERTY_HINT_MULTILINE_TEXT,"",PROPERTY_USAGE_DEFAULT_INTL),"set_text","get_text");
ADD_PROPERTY( PropertyInfo(Variant::BOOL, "dialog_hide_on_ok"),"set_hide_on_ok","get_hide_on_ok") ;
}
bool AcceptDialog::swap_ok_cancel=false;
void AcceptDialog::set_swap_ok_cancel(bool p_swap) {
swap_ok_cancel=p_swap;
}
AcceptDialog::AcceptDialog() {
int margin = get_constant("margin","Dialogs");
int button_margin = get_constant("button_margin","Dialogs");
label = memnew( Label );
label->set_anchor(MARGIN_RIGHT,ANCHOR_END);
label->set_anchor(MARGIN_BOTTOM,ANCHOR_END);
label->set_begin( Point2( margin, margin) );
label->set_end( Point2( margin, button_margin+10) );
//label->set_autowrap(true);
add_child(label);
hbc = memnew( HBoxContainer );
add_child(hbc);
hbc->add_spacer();
ok = memnew( Button );
ok->set_text(RTR("OK"));
hbc->add_child(ok);
hbc->add_spacer();
ok->connect("pressed", this,"_ok");
set_as_toplevel(true);
hide_on_ok=true;
set_title(RTR("Alert!"));
}
AcceptDialog::~AcceptDialog()
{
}
void ConfirmationDialog::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_cancel:Button"),&ConfirmationDialog::get_cancel);
}
Button *ConfirmationDialog::get_cancel() {
return cancel;
}
ConfirmationDialog::ConfirmationDialog() {
set_title(RTR("Please Confirm..."));
cancel = add_cancel();
}
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