summaryrefslogtreecommitdiff
path: root/scene/gui/scroll_bar.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'scene/gui/scroll_bar.cpp')
-rw-r--r--scene/gui/scroll_bar.cpp121
1 files changed, 36 insertions, 85 deletions
diff --git a/scene/gui/scroll_bar.cpp b/scene/gui/scroll_bar.cpp
index 1c63c25e28..e7950bec98 100644
--- a/scene/gui/scroll_bar.cpp
+++ b/scene/gui/scroll_bar.cpp
@@ -38,12 +38,10 @@
bool ScrollBar::focus_by_default = false;
void ScrollBar::set_can_focus_by_default(bool p_can_focus) {
-
focus_by_default = p_can_focus;
}
void ScrollBar::_gui_input(Ref<InputEvent> p_event) {
-
Ref<InputEventMouseMotion> m = p_event;
if (!m.is_valid() || drag.active) {
emit_signal("scrolling");
@@ -55,22 +53,20 @@ void ScrollBar::_gui_input(Ref<InputEvent> p_event) {
accept_event();
if (b->get_button_index() == BUTTON_WHEEL_DOWN && b->is_pressed()) {
-
set_value(get_value() + get_page() / 4.0);
accept_event();
}
if (b->get_button_index() == BUTTON_WHEEL_UP && b->is_pressed()) {
-
set_value(get_value() - get_page() / 4.0);
accept_event();
}
- if (b->get_button_index() != BUTTON_LEFT)
+ if (b->get_button_index() != BUTTON_LEFT) {
return;
+ }
if (b->is_pressed()) {
-
double ofs = orientation == VERTICAL ? b->get_position().y : b->get_position().x;
Ref<Texture2D> decr = get_theme_icon("decrement");
Ref<Texture2D> incr = get_theme_icon("increment");
@@ -82,13 +78,11 @@ void ScrollBar::_gui_input(Ref<InputEvent> p_event) {
double total = orientation == VERTICAL ? get_size().height : get_size().width;
if (ofs < decr_size) {
-
set_value(get_value() - (custom_step >= 0 ? custom_step : get_step()));
return;
}
if (ofs > total - incr_size) {
-
set_value(get_value() + (custom_step >= 0 ? custom_step : get_step()));
return;
}
@@ -96,7 +90,6 @@ void ScrollBar::_gui_input(Ref<InputEvent> p_event) {
ofs -= decr_size;
if (ofs < grabber_ofs) {
-
if (scrolling) {
target_scroll = CLAMP(target_scroll - get_page(), get_min(), get_max() - get_page());
} else {
@@ -115,7 +108,6 @@ void ScrollBar::_gui_input(Ref<InputEvent> p_event) {
ofs -= grabber_ofs;
if (ofs < grabber_size) {
-
drag.active = true;
drag.pos_at_click = grabber_ofs + ofs;
drag.value_at_click = get_as_ratio();
@@ -136,18 +128,15 @@ void ScrollBar::_gui_input(Ref<InputEvent> p_event) {
}
} else {
-
drag.active = false;
update();
}
}
if (m.is_valid()) {
-
accept_event();
if (drag.active) {
-
double ofs = orientation == VERTICAL ? m->get_position().y : m->get_position().x;
Ref<Texture2D> decr = get_theme_icon("decrement");
@@ -158,7 +147,6 @@ void ScrollBar::_gui_input(Ref<InputEvent> p_event) {
set_as_ratio(drag.value_at_click + diff);
} else {
-
double ofs = orientation == VERTICAL ? m->get_position().y : m->get_position().x;
Ref<Texture2D> decr = get_theme_icon("decrement");
Ref<Texture2D> incr = get_theme_icon("increment");
@@ -170,20 +158,16 @@ void ScrollBar::_gui_input(Ref<InputEvent> p_event) {
HighlightStatus new_hilite;
if (ofs < decr_size) {
-
new_hilite = HIGHLIGHT_DECR;
} else if (ofs > total - incr_size) {
-
new_hilite = HIGHLIGHT_INCR;
} else {
-
new_hilite = HIGHLIGHT_RANGE;
}
if (new_hilite != highlight) {
-
highlight = new_hilite;
update();
}
@@ -191,47 +175,42 @@ void ScrollBar::_gui_input(Ref<InputEvent> p_event) {
}
if (p_event->is_pressed()) {
-
if (p_event->is_action("ui_left")) {
-
- if (orientation != HORIZONTAL)
+ if (orientation != HORIZONTAL) {
return;
+ }
set_value(get_value() - (custom_step >= 0 ? custom_step : get_step()));
} else if (p_event->is_action("ui_right")) {
-
- if (orientation != HORIZONTAL)
+ if (orientation != HORIZONTAL) {
return;
+ }
set_value(get_value() + (custom_step >= 0 ? custom_step : get_step()));
} else if (p_event->is_action("ui_up")) {
-
- if (orientation != VERTICAL)
+ if (orientation != VERTICAL) {
return;
+ }
set_value(get_value() - (custom_step >= 0 ? custom_step : get_step()));
} else if (p_event->is_action("ui_down")) {
-
- if (orientation != VERTICAL)
+ if (orientation != VERTICAL) {
return;
+ }
set_value(get_value() + (custom_step >= 0 ? custom_step : get_step()));
} else if (p_event->is_action("ui_home")) {
-
set_value(get_min());
} else if (p_event->is_action("ui_end")) {
-
set_value(get_max());
}
}
}
void ScrollBar::_notification(int p_what) {
-
if (p_what == NOTIFICATION_DRAW) {
-
RID ci = get_canvas_item();
Ref<Texture2D> decr = highlight == HIGHLIGHT_DECR ? get_theme_icon("decrement_highlight") : get_theme_icon("decrement");
@@ -239,47 +218,49 @@ void ScrollBar::_notification(int p_what) {
Ref<StyleBox> bg = has_focus() ? get_theme_stylebox("scroll_focus") : get_theme_stylebox("scroll");
Ref<StyleBox> grabber;
- if (drag.active)
+ if (drag.active) {
grabber = get_theme_stylebox("grabber_pressed");
- else if (highlight == HIGHLIGHT_RANGE)
+ } else if (highlight == HIGHLIGHT_RANGE) {
grabber = get_theme_stylebox("grabber_highlight");
- else
+ } else {
grabber = get_theme_stylebox("grabber");
+ }
Point2 ofs;
decr->draw(ci, Point2());
- if (orientation == HORIZONTAL)
+ if (orientation == HORIZONTAL) {
ofs.x += decr->get_width();
- else
+ } else {
ofs.y += decr->get_height();
+ }
Size2 area = get_size();
- if (orientation == HORIZONTAL)
+ if (orientation == HORIZONTAL) {
area.width -= incr->get_width() + decr->get_width();
- else
+ } else {
area.height -= incr->get_height() + decr->get_height();
+ }
bg->draw(ci, Rect2(ofs, area));
- if (orientation == HORIZONTAL)
+ if (orientation == HORIZONTAL) {
ofs.width += area.width;
- else
+ } else {
ofs.height += area.height;
+ }
incr->draw(ci, ofs);
Rect2 grabber_rect;
if (orientation == HORIZONTAL) {
-
grabber_rect.size.width = get_grabber_size();
grabber_rect.size.height = get_size().height;
grabber_rect.position.y = 0;
grabber_rect.position.x = get_grabber_offset() + decr->get_width() + bg->get_margin(MARGIN_LEFT);
} else {
-
grabber_rect.size.width = get_size().width;
grabber_rect.size.height = get_grabber_size();
grabber_rect.position.y = get_grabber_offset() + decr->get_height() + bg->get_margin(MARGIN_TOP);
@@ -290,7 +271,6 @@ void ScrollBar::_notification(int p_what) {
}
if (p_what == NOTIFICATION_ENTER_TREE) {
-
if (has_node(drag_node_path)) {
Node *n = get_node(drag_node_path);
drag_node = Object::cast_to<Control>(n);
@@ -302,7 +282,6 @@ void ScrollBar::_notification(int p_what) {
}
}
if (p_what == NOTIFICATION_EXIT_TREE) {
-
if (drag_node) {
drag_node->disconnect("gui_input", callable_mp(this, &ScrollBar::_drag_node_input));
drag_node->disconnect("tree_exiting", callable_mp(this, &ScrollBar::_drag_node_exit));
@@ -312,7 +291,6 @@ void ScrollBar::_notification(int p_what) {
}
if (p_what == NOTIFICATION_INTERNAL_PHYSICS_PROCESS) {
-
if (scrolling) {
if (get_value() != target_scroll) {
double target = target_scroll - get_value();
@@ -332,16 +310,13 @@ void ScrollBar::_notification(int p_what) {
}
} else if (drag_node_touching) {
-
if (drag_node_touching_deaccel) {
-
Vector2 pos = Vector2(orientation == HORIZONTAL ? get_value() : 0, orientation == VERTICAL ? get_value() : 0);
pos += drag_node_speed * get_physics_process_delta_time();
bool turnoff = false;
if (orientation == HORIZONTAL) {
-
if (pos.x < 0) {
pos.x = 0;
turnoff = true;
@@ -365,7 +340,6 @@ void ScrollBar::_notification(int p_what) {
drag_node_speed.x = sgn_x * val_x;
} else {
-
if (pos.y < 0) {
pos.y = 0;
turnoff = true;
@@ -395,9 +369,7 @@ void ScrollBar::_notification(int p_what) {
}
} else {
-
if (time_since_motion == 0 || time_since_motion > 0.1) {
-
Vector2 diff = drag_node_accum - last_drag_node_accum;
last_drag_node_accum = drag_node_accum;
drag_node_speed = diff / get_physics_process_delta_time();
@@ -409,24 +381,22 @@ void ScrollBar::_notification(int p_what) {
}
if (p_what == NOTIFICATION_MOUSE_EXIT) {
-
highlight = HIGHLIGHT_NONE;
update();
}
}
double ScrollBar::get_grabber_min_size() const {
-
Ref<StyleBox> grabber = get_theme_stylebox("grabber");
Size2 gminsize = grabber->get_minimum_size() + grabber->get_center_size();
return (orientation == VERTICAL) ? gminsize.height : gminsize.width;
}
double ScrollBar::get_grabber_size() const {
-
float range = get_max() - get_min();
- if (range <= 0)
+ if (range <= 0) {
return 0;
+ }
float page = (get_page() > 0) ? get_page() : 0;
/*
@@ -464,17 +434,14 @@ double ScrollBar::get_area_size() const {
}
double ScrollBar::get_area_offset() const {
-
double ofs = 0;
if (orientation == VERTICAL) {
-
ofs += get_theme_stylebox("hscroll")->get_margin(MARGIN_TOP);
ofs += get_theme_icon("decrement")->get_height();
}
if (orientation == HORIZONTAL) {
-
ofs += get_theme_stylebox("hscroll")->get_margin(MARGIN_LEFT);
ofs += get_theme_icon("decrement")->get_width();
}
@@ -483,31 +450,28 @@ double ScrollBar::get_area_offset() const {
}
double ScrollBar::get_click_pos(const Point2 &p_pos) const {
-
float pos = (orientation == VERTICAL) ? p_pos.y : p_pos.x;
pos -= get_area_offset();
float area = get_area_size();
- if (area == 0)
+ if (area == 0) {
return 0;
- else
+ } else {
return pos / area;
+ }
}
double ScrollBar::get_grabber_offset() const {
-
return (get_area_size()) * get_as_ratio();
}
Size2 ScrollBar::get_minimum_size() const {
-
Ref<Texture2D> incr = get_theme_icon("increment");
Ref<Texture2D> decr = get_theme_icon("decrement");
Ref<StyleBox> bg = get_theme_stylebox("scroll");
Size2 minsize;
if (orientation == VERTICAL) {
-
minsize.width = MAX(incr->get_size().width, (bg->get_minimum_size() + bg->get_center_size()).width);
minsize.height += incr->get_size().height;
minsize.height += decr->get_size().height;
@@ -516,7 +480,6 @@ Size2 ScrollBar::get_minimum_size() const {
}
if (orientation == HORIZONTAL) {
-
minsize.height = MAX(incr->get_size().height, (bg->get_center_size() + bg->get_minimum_size()).height);
minsize.width += incr->get_size().width;
minsize.width += decr->get_size().width;
@@ -528,17 +491,14 @@ Size2 ScrollBar::get_minimum_size() const {
}
void ScrollBar::set_custom_step(float p_custom_step) {
-
custom_step = p_custom_step;
}
float ScrollBar::get_custom_step() const {
-
return custom_step;
}
void ScrollBar::_drag_node_exit() {
-
if (drag_node) {
drag_node->disconnect("gui_input", callable_mp(this, &ScrollBar::_drag_node_input));
}
@@ -546,16 +506,14 @@ void ScrollBar::_drag_node_exit() {
}
void ScrollBar::_drag_node_input(const Ref<InputEvent> &p_input) {
-
Ref<InputEventMouseButton> mb = p_input;
if (mb.is_valid()) {
-
- if (mb->get_button_index() != 1)
+ if (mb->get_button_index() != 1) {
return;
+ }
if (mb->is_pressed()) {
-
drag_node_speed = Vector2();
drag_node_accum = Vector2();
last_drag_node_accum = Vector2();
@@ -570,9 +528,7 @@ void ScrollBar::_drag_node_input(const Ref<InputEvent> &p_input) {
}
} else {
-
if (drag_node_touching) {
-
if (drag_node_speed == Vector2()) {
drag_node_touching_deaccel = false;
drag_node_touching = false;
@@ -587,19 +543,19 @@ void ScrollBar::_drag_node_input(const Ref<InputEvent> &p_input) {
Ref<InputEventMouseMotion> mm = p_input;
if (mm.is_valid()) {
-
if (drag_node_touching && !drag_node_touching_deaccel) {
-
Vector2 motion = Vector2(mm->get_relative().x, mm->get_relative().y);
drag_node_accum -= motion;
Vector2 diff = drag_node_from + drag_node_accum;
- if (orientation == HORIZONTAL)
+ if (orientation == HORIZONTAL) {
set_value(diff.x);
+ }
- if (orientation == VERTICAL)
+ if (orientation == VERTICAL) {
set_value(diff.y);
+ }
time_since_motion = 0;
}
@@ -607,9 +563,7 @@ void ScrollBar::_drag_node_input(const Ref<InputEvent> &p_input) {
}
void ScrollBar::set_drag_node(const NodePath &p_path) {
-
if (is_inside_tree()) {
-
if (drag_node) {
drag_node->disconnect("gui_input", callable_mp(this, &ScrollBar::_drag_node_input));
drag_node->disconnect("tree_exiting", callable_mp(this, &ScrollBar::_drag_node_exit));
@@ -620,7 +574,6 @@ void ScrollBar::set_drag_node(const NodePath &p_path) {
drag_node_path = p_path;
if (is_inside_tree()) {
-
if (has_node(p_path)) {
Node *n = get_node(p_path);
drag_node = Object::cast_to<Control>(n);
@@ -634,7 +587,6 @@ void ScrollBar::set_drag_node(const NodePath &p_path) {
}
NodePath ScrollBar::get_drag_node() const {
-
return drag_node_path;
}
@@ -647,7 +599,6 @@ bool ScrollBar::is_smooth_scroll_enabled() const {
}
void ScrollBar::_bind_methods() {
-
ClassDB::bind_method(D_METHOD("_gui_input"), &ScrollBar::_gui_input);
ClassDB::bind_method(D_METHOD("set_custom_step", "step"), &ScrollBar::set_custom_step);
ClassDB::bind_method(D_METHOD("get_custom_step"), &ScrollBar::get_custom_step);
@@ -658,7 +609,6 @@ void ScrollBar::_bind_methods() {
}
ScrollBar::ScrollBar(Orientation p_orientation) {
-
orientation = p_orientation;
highlight = HIGHLIGHT_NONE;
custom_step = -1;
@@ -674,8 +624,9 @@ ScrollBar::ScrollBar(Orientation p_orientation) {
target_scroll = 0;
smooth_scroll_enabled = false;
- if (focus_by_default)
+ if (focus_by_default) {
set_focus_mode(FOCUS_ALL);
+ }
set_step(0);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 07:34:42 +0000