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Changed theme notifications to work with newly introduced reference counted connections. Closes #21265, Fixes #6145. 

Probably fixes more theme notification related open issues, should check.
This commit is contained in:
Juan Linietsky 2018-11-27 14:33:14 -03:00
parent c23710adde
commit 2e0a94edc6
2 changed files with 116 additions and 38 deletions
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147
scene/resources/theme.cpp
View File

@ -39,26 +39,6 @@ void Theme::_emit_theme_changed() {
emit_changed();
}
void Theme::_ref_font(Ref<Font> p_sc) {
if (!font_refcount.has(p_sc)) {
font_refcount[p_sc] = 1;
p_sc->connect("changed", this, "_emit_theme_changed");
} else {
font_refcount[p_sc] += 1;
}
}
void Theme::_unref_font(Ref<Font> p_sc) {
ERR_FAIL_COND(!font_refcount.has(p_sc));
font_refcount[p_sc]--;
if (font_refcount[p_sc] == 0) {
p_sc->disconnect("changed", this, "_emit_theme_changed");
font_refcount.erase(p_sc);
}
}
bool Theme::_set(const StringName &p_name, const Variant &p_value) {
String sname = p_name;
@ -217,13 +197,13 @@ void Theme::set_default_theme_font(const Ref<Font> &p_default_font) {
return;
if (default_theme_font.is_valid()) {
_unref_font(default_theme_font);
default_theme_font->disconnect("changed", this, "_emit_theme_changed");
}
default_theme_font = p_default_font;
if (default_theme_font.is_valid()) {
_ref_font(default_theme_font);
default_theme_font->connect("changed", this, "_emit_theme_changed", varray(), CONNECT_REFERENCE_COUNTED);
}
_change_notify();
@ -263,8 +243,16 @@ void Theme::set_icon(const StringName &p_name, const StringName &p_type, const R
bool new_value = !icon_map.has(p_type) || !icon_map[p_type].has(p_name);
if (icon_map[p_type].has(p_name) && icon_map[p_type][p_name].is_valid()) {
icon_map[p_type][p_name]->disconnect("changed", this, "_emit_theme_changed");
}
icon_map[p_type][p_name] = p_icon;
if (p_icon.is_valid()) {
icon_map[p_type][p_name]->connect("changed", this, "_emit_theme_changed", varray(), CONNECT_REFERENCE_COUNTED);
}
if (new_value) {
_change_notify();
emit_changed();
@ -290,7 +278,12 @@ void Theme::clear_icon(const StringName &p_name, const StringName &p_type) {
ERR_FAIL_COND(!icon_map.has(p_type));
ERR_FAIL_COND(!icon_map[p_type].has(p_name));
if (icon_map[p_type][p_name].is_valid()) {
icon_map[p_type][p_name]->disconnect("changed", this, "_emit_theme_changed");
}
icon_map[p_type].erase(p_name);
_change_notify();
emit_changed();
}
@ -358,8 +351,16 @@ void Theme::set_stylebox(const StringName &p_name, const StringName &p_type, con
bool new_value = !style_map.has(p_type) || !style_map[p_type].has(p_name);
if (style_map[p_type].has(p_name) && style_map[p_type][p_name].is_valid()) {
style_map[p_type][p_name]->disconnect("changed", this, "_emit_theme_changed");
}
style_map[p_type][p_name] = p_style;
if (p_style.is_valid()) {
style_map[p_type][p_name]->connect("changed", this, "_emit_theme_changed", varray(), CONNECT_REFERENCE_COUNTED);
}
if (new_value)
_change_notify();
emit_changed();
@ -385,7 +386,12 @@ void Theme::clear_stylebox(const StringName &p_name, const StringName &p_type) {
ERR_FAIL_COND(!style_map.has(p_type));
ERR_FAIL_COND(!style_map[p_type].has(p_name));
if (style_map[p_type][p_name].is_valid()) {
style_map[p_type][p_name]->disconnect("changed", this, "_emit_theme_changed");
}
style_map[p_type].erase(p_name);
_change_notify();
emit_changed();
}
@ -416,15 +422,14 @@ void Theme::set_font(const StringName &p_name, const StringName &p_type, const R
bool new_value = !font_map.has(p_type) || !font_map[p_type].has(p_name);
if (!new_value) {
if (font_map[p_type][p_name].is_valid()) {
_unref_font(font_map[p_type][p_name]);
}
if (font_map[p_type][p_name].is_valid()) {
font_map[p_type][p_name]->disconnect("changed", this, "_emit_theme_changed");
}
font_map[p_type][p_name] = p_font;
if (p_font.is_valid()) {
_ref_font(p_font);
font_map[p_type][p_name]->connect("changed", this, "_emit_theme_changed", varray(), CONNECT_REFERENCE_COUNTED);
}
if (new_value) {
@ -452,8 +457,8 @@ void Theme::clear_font(const StringName &p_name, const StringName &p_type) {
ERR_FAIL_COND(!font_map.has(p_type));
ERR_FAIL_COND(!font_map[p_type].has(p_name));
if (font_map.has(p_type) && font_map[p_type].has(p_name) && font_map[p_type][p_name].is_valid()) {
_unref_font(font_map[p_type][p_name]);
if (font_map[p_type][p_name].is_valid()) {
font_map[p_type][p_name]->disconnect("changed", this, "_emit_theme_changed");
}
font_map[p_type].erase(p_name);
@ -570,15 +575,91 @@ void Theme::get_constant_list(StringName p_type, List<StringName> *p_list) const
}
}
void Theme::clear() {
//these need disconnecting
{
const StringName *K = NULL;
while ((K = icon_map.next(K))) {
const StringName *L = NULL;
while ((L = icon_map[*K].next(L))) {
icon_map[*K][*L]->disconnect("changed", this, "_emit_theme_changed");
}
}
}
{
const StringName *K = NULL;
while ((K = style_map.next(K))) {
const StringName *L = NULL;
while ((L = style_map[*K].next(L))) {
style_map[*K][*L]->disconnect("changed", this, "_emit_theme_changed");
}
}
}
{
const StringName *K = NULL;
while ((K = font_map.next(K))) {
const StringName *L = NULL;
while ((L = font_map[*K].next(L))) {
font_map[*K][*L]->disconnect("changed", this, "_emit_theme_changed");
}
}
}
icon_map.clear();
style_map.clear();
font_map.clear();
shader_map.clear();
color_map.clear();
constant_map.clear();
_change_notify();
emit_changed();
}
void Theme::copy_default_theme() {
Ref<Theme> default_theme = get_default();
icon_map = default_theme->icon_map;
style_map = default_theme->style_map;
font_map = default_theme->font_map;
//these need reconnecting, so add normally
{
const StringName *K = NULL;
while ((K = default_theme->icon_map.next(K))) {
const StringName *L = NULL;
while ((L = default_theme->icon_map[*K].next(L))) {
set_icon(*K, *L, default_theme->icon_map[*K][*L]);
}
}
}
{
const StringName *K = NULL;
while ((K = default_theme->style_map.next(K))) {
const StringName *L = NULL;
while ((L = default_theme->style_map[*K].next(L))) {
set_stylebox(*K, *L, default_theme->style_map[*K][*L]);
}
}
}
{
const StringName *K = NULL;
while ((K = default_theme->font_map.next(K))) {
const StringName *L = NULL;
while ((L = default_theme->font_map[*K].next(L))) {
set_font(*K, *L, default_theme->font_map[*K][*L]);
}
}
}
//these are ok to just copy
color_map = default_theme->color_map;
constant_map = default_theme->constant_map;
shader_map = default_theme->shader_map;
_change_notify();
emit_changed();
}
@ -661,6 +742,8 @@ void Theme::_bind_methods() {
ClassDB::bind_method(D_METHOD("clear_constant", "name", "type"), &Theme::clear_constant);
ClassDB::bind_method(D_METHOD("get_constant_list", "type"), &Theme::_get_constant_list);
ClassDB::bind_method(D_METHOD("clear"), &Theme::clear);
ClassDB::bind_method(D_METHOD("set_default_font", "font"), &Theme::set_default_theme_font);
ClassDB::bind_method(D_METHOD("get_default_font"), &Theme::get_default_theme_font);

7
scene/resources/theme.h
View File

@ -47,12 +47,6 @@ class Theme : public Resource {
RES_BASE_EXTENSION("theme");
static Ref<Theme> default_theme;
//keep a reference count to font, so each time the font changes, we emit theme changed too
Map<Ref<Font>, int> font_refcount;
void _ref_font(Ref<Font> p_sc);
void _unref_font(Ref<Font> p_sc);
void _emit_theme_changed();
HashMap<StringName, HashMap<StringName, Ref<Texture> > > icon_map;
@ -190,6 +184,7 @@ public:
void get_type_list(List<StringName> *p_list) const;
void copy_default_theme();
void clear();
Theme();
~Theme();