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Add horizontal and vertical separation to ScrollContainer theme constants.

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This commit is contained in:
Mounir Tohami 2024-09-21 19:55:11 +00:00
parent e4e024ab88
commit e4c9232920
3 changed files with 21 additions and 11 deletions
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6
doc/classes/ScrollContainer.xml
View file

@ -107,6 +107,12 @@
</constant>
</constants>
<theme_items>
<theme_item name="h_separation" data_type="constant" type="int" default="0">
The horizontal separation applied when the vertical scroll bar is visible.
</theme_item>
<theme_item name="v_separation" data_type="constant" type="int" default="0">
The vertical separation applied when the horizontal scroll bar is visible.
</theme_item>
<theme_item name="panel" data_type="style" type="StyleBox">
The background [StyleBox] of the [ScrollContainer].
</theme_item>

24
scene/gui/scroll_container.cpp
View file

@ -60,7 +60,7 @@ Size2 ScrollContainer::get_minimum_size() const {
min_size.x = largest_child_min_size.x;
bool v_scroll_show = vertical_scroll_mode == SCROLL_MODE_SHOW_ALWAYS || vertical_scroll_mode == SCROLL_MODE_RESERVE || (vertical_scroll_mode == SCROLL_MODE_AUTO && largest_child_min_size.y > size.y);
if (v_scroll_show && v_scroll->get_parent() == this) {
min_size.x += v_scroll->get_minimum_size().x;
min_size.x += v_scroll->get_minimum_size().x + theme_cache.h_separation;
}
}
@ -68,7 +68,7 @@ Size2 ScrollContainer::get_minimum_size() const {
min_size.y = largest_child_min_size.y;
bool h_scroll_show = horizontal_scroll_mode == SCROLL_MODE_SHOW_ALWAYS || horizontal_scroll_mode == SCROLL_MODE_RESERVE || (horizontal_scroll_mode == SCROLL_MODE_AUTO && largest_child_min_size.x > size.x);
if (h_scroll_show && h_scroll->get_parent() == this) {
min_size.y += h_scroll->get_minimum_size().y;
min_size.y += h_scroll->get_minimum_size().y + theme_cache.v_separation;
}
}
@ -258,18 +258,18 @@ void ScrollContainer::_update_scrollbar_position() {
return;
}
Size2 hmin = h_scroll->is_visible() ? h_scroll->get_combined_minimum_size() : Size2();
Size2 vmin = v_scroll->is_visible() ? v_scroll->get_combined_minimum_size() : Size2();
Size2 hmin = h_scroll->is_visible() ? h_scroll->get_combined_minimum_size() + Size2(0, theme_cache.v_separation) : Size2();
Size2 vmin = v_scroll->is_visible() ? v_scroll->get_combined_minimum_size() + Size2(theme_cache.h_separation, 0) : Size2();
int lmar = is_layout_rtl() ? theme_cache.panel_style->get_margin(SIDE_RIGHT) : theme_cache.panel_style->get_margin(SIDE_LEFT);
int rmar = is_layout_rtl() ? theme_cache.panel_style->get_margin(SIDE_LEFT) : theme_cache.panel_style->get_margin(SIDE_RIGHT);
h_scroll->set_anchor_and_offset(SIDE_LEFT, ANCHOR_BEGIN, lmar);
h_scroll->set_anchor_and_offset(SIDE_RIGHT, ANCHOR_END, -rmar - vmin.width);
h_scroll->set_anchor_and_offset(SIDE_TOP, ANCHOR_END, -hmin.height - theme_cache.panel_style->get_margin(SIDE_BOTTOM));
h_scroll->set_anchor_and_offset(SIDE_TOP, ANCHOR_END, -hmin.height - theme_cache.panel_style->get_margin(SIDE_BOTTOM) + theme_cache.v_separation);
h_scroll->set_anchor_and_offset(SIDE_BOTTOM, ANCHOR_END, -theme_cache.panel_style->get_margin(SIDE_BOTTOM));
v_scroll->set_anchor_and_offset(SIDE_LEFT, ANCHOR_END, -vmin.width - rmar);
v_scroll->set_anchor_and_offset(SIDE_LEFT, ANCHOR_END, -vmin.width - rmar + theme_cache.h_separation);
v_scroll->set_anchor_and_offset(SIDE_RIGHT, ANCHOR_END, -rmar);
v_scroll->set_anchor_and_offset(SIDE_TOP, ANCHOR_BEGIN, theme_cache.panel_style->get_margin(SIDE_TOP));
v_scroll->set_anchor_and_offset(SIDE_BOTTOM, ANCHOR_END, -hmin.height - theme_cache.panel_style->get_margin(SIDE_BOTTOM));
@ -288,8 +288,8 @@ void ScrollContainer::ensure_control_visible(Control *p_control) {
Rect2 global_rect = get_global_rect();
Rect2 other_rect = p_control->get_global_rect();
float side_margin = v_scroll->is_visible() ? v_scroll->get_size().x : 0.0f;
float bottom_margin = h_scroll->is_visible() ? h_scroll->get_size().y : 0.0f;
float side_margin = v_scroll->is_visible() ? v_scroll->get_size().x + theme_cache.h_separation : 0.0f;
float bottom_margin = h_scroll->is_visible() ? h_scroll->get_size().y + theme_cache.v_separation : 0.0f;
Vector2 diff = Vector2(MAX(MIN(other_rect.position.x - (is_layout_rtl() ? side_margin : 0.0f), global_rect.position.x), other_rect.position.x + other_rect.size.x - global_rect.size.x + (!is_layout_rtl() ? side_margin : 0.0f)),
MAX(MIN(other_rect.position.y, global_rect.position.y), other_rect.position.y + other_rect.size.y - global_rect.size.y + bottom_margin));
@ -308,11 +308,11 @@ void ScrollContainer::_reposition_children() {
bool rtl = is_layout_rtl();
if (_is_h_scroll_visible() || horizontal_scroll_mode == SCROLL_MODE_RESERVE) {
size.y -= h_scroll->get_minimum_size().y;
size.y -= theme_cache.v_separation + h_scroll->get_minimum_size().y;
}
if (_is_v_scroll_visible() || vertical_scroll_mode == SCROLL_MODE_RESERVE) {
size.x -= v_scroll->get_minimum_size().x;
size.x -= theme_cache.h_separation + v_scroll->get_minimum_size().x;
}
for (int i = 0; i < get_child_count(); i++) {
@ -334,7 +334,7 @@ void ScrollContainer::_reposition_children() {
}
r.position += ofs;
if (rtl && _is_v_scroll_visible()) {
r.position.x += v_scroll->get_minimum_size().x;
r.position.x += theme_cache.h_separation + v_scroll->get_minimum_size().x;
}
r.position = r.position.floor();
fit_child_in_rect(c, r);
@ -623,6 +623,8 @@ void ScrollContainer::_bind_methods() {
BIND_ENUM_CONSTANT(SCROLL_MODE_RESERVE);
BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_STYLEBOX, ScrollContainer, panel_style, "panel");
BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, ScrollContainer, h_separation);
BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, ScrollContainer, v_separation);
GLOBAL_DEF("gui/common/default_scroll_deadzone", 0);
};

2
scene/gui/scroll_container.h
View file

@ -72,6 +72,8 @@ private:
struct ThemeCache {
Ref<StyleBox> panel_style;
int h_separation = 0;
int v_separation = 0;
} theme_cache;
void _cancel_drag();