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Properly fix tab scrolling, fixes #3128, fixes #3314

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This commit is contained in:
Juan Linietsky 2016-01-13 07:39:31 -03:00
parent e47c584d77
commit c4cee22510
3 changed files with 95 additions and 245 deletions
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321
scene/gui/tabs.cpp
View File

@ -65,8 +65,8 @@ Size2 Tabs::get_minimum_size() const {
ms.height=MAX(bms.height+tab_bg->get_minimum_size().height,ms.height);
}
if (tabs[i].close_button.is_valid()) {
Ref<Texture> cb=tabs[i].close_button;
if (cb_displaypolicy==CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy==CLOSE_BUTTON_SHOW_ACTIVE_ONLY && i==current)) {
Ref<Texture> cb=get_icon("close");
Size2 bms = cb->get_size();//+get_stylebox("button")->get_minimum_size();
bms.width+=get_constant("hseparation");
ms.width+=bms.width;
@ -108,14 +108,6 @@ void Tabs::_input_event(const InputEvent& p_event) {
for(int i=0;i<tabs.size();i++) {
// test hovering tab to display close button if policy says so
if (cb_displaypolicy == SHOW_HOVER) {
int ofs=tabs[i].ofs_cache;
int size = tabs[i].ofs_cache;
if (pos.x >=tabs[i].ofs_cache && pos.x<tabs[i].ofs_cache+tabs[i].size_cache) {
hover=i;
}
}
// test hovering right button and close button
if (tabs[i].rb_rect.has_point(pos)) {
@ -260,6 +252,7 @@ void Tabs::_notification(int p_what) {
Ref<Font> font = get_font("font");
Color color_fg = get_color("font_color_fg");
Color color_bg = get_color("font_color_bg");
Ref<Texture> close=get_icon("close");
int h = get_size().height;
@ -278,37 +271,10 @@ void Tabs::_notification(int p_what) {
for(int i=0;i<tabs.size();i++) {
Ref<Texture> tex = tabs[i].icon;
if (tex.is_valid()) {
if (tabs[i].text!="")
mw+=get_constant("hseparation");
}
int sz = get_tab_width(i);
tabs[i].ofs_cache=mw;
mw+=font->get_string_size(tabs[i].text).width;
if (current==i)
mw+=tab_fg->get_minimum_size().width;
else
mw+=tab_bg->get_minimum_size().width;
if (tabs[i].right_button.is_valid()) {
Ref<Texture> rb=tabs[i].right_button;
Size2 bms = rb->get_size();//+get_stylebox("button")->get_minimum_size();
bms.width+=get_constant("hseparation");
mw+=bms.width;
}
if (tabs[i].close_button.is_valid()) {
Ref<Texture> cb=tabs[i].close_button;
Size2 bms = cb->get_size();//+get_stylebox("button")->get_minimum_size();
bms.width+=get_constant("hseparation");
mw+=bms.width;
}
mw+=sz;
}
@ -372,56 +338,15 @@ void Tabs::_notification(int p_what) {
}
// Close button
switch (cb_displaypolicy) {
case SHOW_ALWAYS: {
if (tabs[i].close_button.is_valid()) {
Ref<StyleBox> style = get_stylebox("button");
Ref<Texture> rb=tabs[i].close_button;
lsize+=get_constant("hseparation");
//lsize+=style->get_margin(MARGIN_LEFT);
lsize+=rb->get_width();
//lsize+=style->get_margin(MARGIN_RIGHT);
}
} break;
case SHOW_ACTIVE_ONLY: {
if (i==current) {
if (tabs[i].close_button.is_valid()) {
Ref<StyleBox> style = get_stylebox("button");
Ref<Texture> rb=tabs[i].close_button;
lsize+=get_constant("hseparation");
//lsize+=style->get_margin(MARGIN_LEFT);
lsize+=rb->get_width();
//lsize+=style->get_margin(MARGIN_RIGHT);
}
}
} break;
case SHOW_HOVER: {
if (i==current || i==hover) {
if (tabs[i].close_button.is_valid()) {
Ref<StyleBox> style = get_stylebox("button");
Ref<Texture> rb=tabs[i].close_button;
lsize+=get_constant("hseparation");
//lsize+=style->get_margin(MARGIN_LEFT);
lsize+=rb->get_width();
//lsize+=style->get_margin(MARGIN_RIGHT);
}
}
} break;
case SHOW_NEVER: // by default, never show close button
default: {
// do nothing
} break;
if (cb_displaypolicy==CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy==CLOSE_BUTTON_SHOW_ACTIVE_ONLY && i==current)) {
lsize+=get_constant("hseparation");
//lsize+=style->get_margin(MARGIN_LEFT);
lsize+=close->get_width();
//lsize+=style->get_margin(MARGIN_RIGHT);
}
if (w+lsize > limit) {
max_drawn_tab=i-1;
missing_right=true;
@ -495,100 +420,31 @@ void Tabs::_notification(int p_what) {
}
if (cb_displaypolicy==CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy==CLOSE_BUTTON_SHOW_ACTIVE_ONLY && i==current)) {
Ref<StyleBox> style = get_stylebox("button");
Ref<Texture> cb=close;
// Close button
switch (cb_displaypolicy) {
case SHOW_ALWAYS: {
if (tabs[i].close_button.is_valid()) {
Ref<StyleBox> style = get_stylebox("button");
Ref<Texture> cb=tabs[i].close_button;
w+=get_constant("hseparation");
w+=get_constant("hseparation");
Rect2 cb_rect;
cb_rect.size=style->get_minimum_size()+cb->get_size();
cb_rect.pos.x=w;
cb_rect.pos.y=sb->get_margin(MARGIN_TOP)+((sb_rect.size.y-sb_ms.y)-(cb_rect.size.y))/2;
Rect2 cb_rect;
cb_rect.size=style->get_minimum_size()+cb->get_size();
cb_rect.pos.x=w;
cb_rect.pos.y=sb->get_margin(MARGIN_TOP)+((sb_rect.size.y-sb_ms.y)-(cb_rect.size.y))/2;
if (cb_hover==i) {
if (cb_pressing)
get_stylebox("button_pressed")->draw(ci,cb_rect);
else
style->draw(ci,cb_rect);
}
//w+=style->get_margin(MARGIN_LEFT);
cb->draw(ci,Point2i( w,cb_rect.pos.y+style->get_margin(MARGIN_TOP) ));
w+=cb->get_width();
//w+=style->get_margin(MARGIN_RIGHT);
tabs[i].cb_rect=cb_rect;
if (cb_hover==i) {
if (cb_pressing)
get_stylebox("button_pressed")->draw(ci,cb_rect);
else
style->draw(ci,cb_rect);
}
} break;
case SHOW_ACTIVE_ONLY: {
if (current==i) {
if (tabs[i].close_button.is_valid()) {
Ref<StyleBox> style = get_stylebox("button");
Ref<Texture> cb=tabs[i].close_button;
w+=get_constant("hseparation");
Rect2 cb_rect;
cb_rect.size=style->get_minimum_size()+cb->get_size();
cb_rect.pos.x=w;
cb_rect.pos.y=sb->get_margin(MARGIN_TOP)+((sb_rect.size.y-sb_ms.y)-(cb_rect.size.y))/2;
if (cb_hover==i) {
if (cb_pressing)
get_stylebox("button_pressed")->draw(ci,cb_rect);
else
style->draw(ci,cb_rect);
}
//w+=style->get_margin(MARGIN_LEFT);
cb->draw(ci,Point2i( w,cb_rect.pos.y+style->get_margin(MARGIN_TOP) ));
w+=cb->get_width();
//w+=style->get_margin(MARGIN_RIGHT);
tabs[i].cb_rect=cb_rect;
}
}
} break;
case SHOW_HOVER: {
if (current==i || hover==i) {
if (tabs[i].close_button.is_valid()) {
Ref<StyleBox> style = get_stylebox("button");
Ref<Texture> cb=tabs[i].close_button;
w+=get_constant("hseparation");
Rect2 cb_rect;
cb_rect.size=style->get_minimum_size()+cb->get_size();
cb_rect.pos.x=w;
cb_rect.pos.y=sb->get_margin(MARGIN_TOP)+((sb_rect.size.y-sb_ms.y)-(cb_rect.size.y))/2;
if (cb_hover==i) {
if (cb_pressing)
get_stylebox("button_pressed")->draw(ci,cb_rect);
else
style->draw(ci,cb_rect);
}
//w+=style->get_margin(MARGIN_LEFT);
cb->draw(ci,Point2i( w,cb_rect.pos.y+style->get_margin(MARGIN_TOP) ));
w+=cb->get_width();
//w+=style->get_margin(MARGIN_RIGHT);
tabs[i].cb_rect=cb_rect;
}
}
} break;
case SHOW_NEVER:
default: {
// show nothing
} break;
//w+=style->get_margin(MARGIN_LEFT);
cb->draw(ci,Point2i( w,cb_rect.pos.y+style->get_margin(MARGIN_TOP) ));
w+=cb->get_width();
//w+=style->get_margin(MARGIN_RIGHT);
tabs[i].cb_rect=cb_rect;
}
w+=sb->get_margin(MARGIN_RIGHT);
@ -695,20 +551,6 @@ Ref<Texture> Tabs::get_tab_right_button(int p_tab) const{
}
void Tabs::set_tab_close_button(int p_tab, const Ref<Texture>& p_close_button) {
ERR_FAIL_INDEX(p_tab, tabs.size());
tabs[p_tab].close_button=p_close_button;
update();
minimum_size_changed();
}
Ref<Texture> Tabs::get_tab_close_button(int p_tab) const{
ERR_FAIL_INDEX_V(p_tab,tabs.size(),Ref<Texture>());
return tabs[p_tab].close_button;
}
void Tabs::add_tab(const String& p_str,const Ref<Texture>& p_icon) {
@ -716,8 +558,6 @@ void Tabs::add_tab(const String& p_str,const Ref<Texture>& p_icon) {
t.text=p_str;
t.icon=p_icon;
t.close_button = get_icon("close");
tabs.push_back(t);
update();
@ -749,10 +589,6 @@ void Tabs::remove_tab(int p_idx) {
}
void Tabs::set_tab_close_display_policy(CloseButtonDisplayPolicy p_cb_displaypolicy) {
cb_displaypolicy = p_cb_displaypolicy;
}
void Tabs::set_tab_align(TabAlign p_align) {
@ -765,6 +601,49 @@ Tabs::TabAlign Tabs::get_tab_align() const {
return tab_align;
}
int Tabs::get_tab_width(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx,tabs.size(),0);
Ref<StyleBox> tab_bg = get_stylebox("tab_bg");
Ref<StyleBox> tab_fg = get_stylebox("tab_fg");
Ref<Font> font = get_font("font");
Ref<Texture> close=get_icon("close");
int x=0;
Ref<Texture> tex = tabs[p_idx].icon;
if (tex.is_valid()) {
if (tabs[p_idx].text!="")
x+=get_constant("hseparation");
}
x+=font->get_string_size(tabs[p_idx].text).width;
if (current==p_idx)
x+=tab_fg->get_minimum_size().width;
else
x+=tab_bg->get_minimum_size().width;
if (tabs[p_idx].right_button.is_valid()) {
print_line("has right");
Ref<Texture> rb=tabs[p_idx].right_button;
Size2 bms = rb->get_size();//+get_stylebox("button")->get_minimum_size();
bms.width+=get_constant("hseparation");
x+=bms.width;
}
if (cb_displaypolicy==CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy==CLOSE_BUTTON_SHOW_ACTIVE_ONLY && p_idx==current)) {
Size2 bms = close->get_size();//+get_stylebox("button")->get_minimum_size();
bms.width+=get_constant("hseparation");
x+=bms.width;
}
return x;
}
void Tabs::ensure_tab_visible(int p_idx) {
@ -773,16 +652,12 @@ void Tabs::ensure_tab_visible(int p_idx) {
ERR_FAIL_INDEX(p_idx,tabs.size());
if (p_idx<offset) {
if (p_idx<=offset) {
offset=p_idx;
update();
return;
}
Ref<StyleBox> tab_bg = get_stylebox("tab_bg");
Ref<StyleBox> tab_fg = get_stylebox("tab_fg");
Ref<Font> font = get_font("font");
Ref<Texture> incr = get_icon("increment");
Ref<Texture> decr = get_icon("decrement");
@ -796,49 +671,25 @@ void Tabs::ensure_tab_visible(int p_idx) {
if (i<offset)
continue;
Ref<Texture> tex = tabs[i].icon;
if (tex.is_valid()) {
if (tabs[i].text!="")
x+=get_constant("hseparation");
}
int sz = get_tab_width(i);
tabs[i].x_cache=x;
x+=font->get_string_size(tabs[i].text).width;
if (current==i)
x+=tab_fg->get_minimum_size().width;
else
x+=tab_bg->get_minimum_size().width;
if (tabs[i].right_button.is_valid()) {
Ref<Texture> rb=tabs[i].right_button;
Size2 bms = rb->get_size();//+get_stylebox("button")->get_minimum_size();
bms.width+=get_constant("hseparation");
x+=bms.width;
}
if (tabs[i].close_button.is_valid()) {
Ref<Texture> cb=tabs[i].close_button;
Size2 bms = cb->get_size();//+get_stylebox("button")->get_minimum_size();
bms.width+=get_constant("hseparation");
x+=bms.width;
}
tabs[i].x_size_cache=x-tabs[i].x_cache;
tabs[i].x_size_cache=sz;
x+=sz;
}
while(offset<tabs.size() && ( (tabs[p_idx].x_cache + tabs[p_idx].x_size_cache) - tabs[offset].x_cache) < limit) {
while(offset<tabs.size() && ( (tabs[p_idx].x_cache + tabs[p_idx].x_size_cache) - tabs[offset].x_cache) > limit) {
offset++;
}
update();
}
void Tabs::set_tab_close_display_policy(CloseButtonDisplayPolicy p_policy) {
cb_displaypolicy=p_policy;
update();
}
void Tabs::_bind_methods() {
ObjectTypeDB::bind_method(_MD("_input_event"),&Tabs::_input_event);
@ -866,10 +717,10 @@ void Tabs::_bind_methods() {
BIND_CONSTANT( ALIGN_CENTER );
BIND_CONSTANT( ALIGN_RIGHT );
BIND_CONSTANT( SHOW_ACTIVE_ONLY );
BIND_CONSTANT( SHOW_ALWAYS );
BIND_CONSTANT( SHOW_HOVER );
BIND_CONSTANT( SHOW_NEVER );
BIND_CONSTANT( CLOSE_BUTTON_SHOW_ACTIVE_ONLY );
BIND_CONSTANT( CLOSE_BUTTON_SHOW_ALWAYS );
BIND_CONSTANT( CLOSE_BUTTON_SHOW_NEVER );
}
@ -883,7 +734,7 @@ Tabs::Tabs() {
cb_hover=-1;
cb_pressing=false;
cb_displaypolicy = SHOW_NEVER; // Default : no close button
cb_displaypolicy = CLOSE_BUTTON_SHOW_NEVER; // Default : no close button
offset=0;
max_drawn_tab=0;

16
scene/gui/tabs.h
View File

@ -45,10 +45,9 @@ public:
enum CloseButtonDisplayPolicy {
SHOW_ALWAYS,
SHOW_ACTIVE_ONLY,
SHOW_HOVER,
SHOW_NEVER
CLOSE_BUTTON_SHOW_NEVER,
CLOSE_BUTTON_SHOW_ACTIVE_ONLY,
CLOSE_BUTTON_SHOW_ALWAYS,
};
private:
@ -64,7 +63,6 @@ private:
Ref<Texture> right_button;
Rect2 rb_rect;
Ref<Texture> close_button;
Rect2 cb_rect;
};
@ -89,6 +87,8 @@ private:
int hover; // hovered tab
int get_tab_width(int p_idx) const;
protected:
void _input_event(const InputEvent& p_event);
@ -108,13 +108,11 @@ public:
void set_tab_right_button(int p_tab,const Ref<Texture>& p_right_button);
Ref<Texture> get_tab_right_button(int p_tab) const;
void set_tab_close_button(int p_tab, const Ref<Texture>& p_close_button);
Ref<Texture> get_tab_close_button(int p_tab) const;
void set_tab_close_display_policy(CloseButtonDisplayPolicy p_cb_displaypolicy);
void set_tab_align(TabAlign p_align);
TabAlign get_tab_align() const;
void set_tab_close_display_policy(CloseButtonDisplayPolicy p_policy);
int get_tab_count() const;
void set_current_tab(int p_current);
int get_current_tab() const;

3
tools/editor/editor_node.cpp
View File

@ -143,6 +143,7 @@ void EditorNode::_update_scene_tabs() {
}
scene_tabs->set_current_tab(editor_data.get_edited_scene());
scene_tabs->ensure_tab_visible(editor_data.get_edited_scene());
}
@ -5055,7 +5056,7 @@ EditorNode::EditorNode() {
scene_tabs=memnew( Tabs );
scene_tabs->add_tab("unsaved");
scene_tabs->set_tab_align(Tabs::ALIGN_CENTER);
scene_tabs->set_tab_close_display_policy(Tabs::SHOW_ACTIVE_ONLY);
scene_tabs->set_tab_close_display_policy(Tabs::CLOSE_BUTTON_SHOW_ACTIVE_ONLY);
scene_tabs->connect("tab_changed",this,"_scene_tab_changed");
scene_tabs->connect("right_button_pressed",this,"_scene_tab_script_edited");
scene_tabs->connect("tab_close", this, "_scene_tab_closed");