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Merge pull request #22090 from godotengine/break-the-chains-of-scrollbar

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Rename ScrollBar's drag_slave to drag_node
This commit is contained in:
Rémi Verschelde 2018-09-15 02:32:53 +02:00 committed by GitHub
commit 43a1b93d71
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 84 additions and 100 deletions
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5
scene/gui/rich_text_label.cpp
View File

@ -29,12 +29,13 @@
/*************************************************************************/
#include "rich_text_label.h"
#include "core/os/keyboard.h"
#include "core/os/os.h"
#include "scene/scene_string_names.h"
#ifdef TOOLS_ENABLED
#include "editor/editor_node.h"
#include "editor/editor_scale.h"
#endif
RichTextLabel::Item *RichTextLabel::_get_next_item(Item *p_item, bool p_free) {
@ -2295,7 +2296,7 @@ RichTextLabel::RichTextLabel() {
vscroll = memnew(VScrollBar);
add_child(vscroll);
vscroll->set_drag_slave(String(".."));
vscroll->set_drag_node(String(".."));
vscroll->set_step(1);
vscroll->set_anchor_and_margin(MARGIN_TOP, ANCHOR_BEGIN, 0);
vscroll->set_anchor_and_margin(MARGIN_BOTTOM, ANCHOR_END, 0);

152
scene/gui/scroll_bar.cpp
View File

@ -300,24 +300,24 @@ void ScrollBar::_notification(int p_what) {
if (p_what == NOTIFICATION_ENTER_TREE) {
if (has_node(drag_slave_path)) {
Node *n = get_node(drag_slave_path);
drag_slave = Object::cast_to<Control>(n);
if (has_node(drag_node_path)) {
Node *n = get_node(drag_node_path);
drag_node = Object::cast_to<Control>(n);
}
if (drag_slave) {
drag_slave->connect("gui_input", this, "_drag_slave_input");
drag_slave->connect("tree_exiting", this, "_drag_slave_exit", varray(), CONNECT_ONESHOT);
if (drag_node) {
drag_node->connect("gui_input", this, "_drag_node_input");
drag_node->connect("tree_exiting", this, "_drag_node_exit", varray(), CONNECT_ONESHOT);
}
}
if (p_what == NOTIFICATION_EXIT_TREE) {
if (drag_slave) {
drag_slave->disconnect("gui_input", this, "_drag_slave_input");
drag_slave->disconnect("tree_exiting", this, "_drag_slave_exit");
if (drag_node) {
drag_node->disconnect("gui_input", this, "_drag_node_input");
drag_node->disconnect("tree_exiting", this, "_drag_node_exit");
}
drag_slave = NULL;
drag_node = NULL;
}
if (p_what == NOTIFICATION_INTERNAL_PHYSICS_PROCESS) {
@ -337,12 +337,13 @@ void ScrollBar::_notification(int p_what) {
scrolling = false;
set_physics_process_internal(false);
}
} else if (drag_slave_touching) {
if (drag_slave_touching_deaccel) {
} 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_slave_speed * get_physics_process_delta_time();
pos += drag_node_speed * get_physics_process_delta_time();
bool turnoff = false;
@ -360,15 +361,15 @@ void ScrollBar::_notification(int p_what) {
set_value(pos.x);
float sgn_x = drag_slave_speed.x < 0 ? -1 : 1;
float val_x = Math::abs(drag_slave_speed.x);
float sgn_x = drag_node_speed.x < 0 ? -1 : 1;
float val_x = Math::abs(drag_node_speed.x);
val_x -= 1000 * get_physics_process_delta_time();
if (val_x < 0) {
turnoff = true;
}
drag_slave_speed.x = sgn_x * val_x;
drag_node_speed.x = sgn_x * val_x;
} else {
@ -384,29 +385,29 @@ void ScrollBar::_notification(int p_what) {
set_value(pos.y);
float sgn_y = drag_slave_speed.y < 0 ? -1 : 1;
float val_y = Math::abs(drag_slave_speed.y);
float sgn_y = drag_node_speed.y < 0 ? -1 : 1;
float val_y = Math::abs(drag_node_speed.y);
val_y -= 1000 * get_physics_process_delta_time();
if (val_y < 0) {
turnoff = true;
}
drag_slave_speed.y = sgn_y * val_y;
drag_node_speed.y = sgn_y * val_y;
}
if (turnoff) {
set_physics_process_internal(false);
drag_slave_touching = false;
drag_slave_touching_deaccel = false;
drag_node_touching = false;
drag_node_touching_deaccel = false;
}
} else {
if (time_since_motion == 0 || time_since_motion > 0.1) {
Vector2 diff = drag_slave_accum - last_drag_slave_accum;
last_drag_slave_accum = drag_slave_accum;
drag_slave_speed = diff / get_physics_process_delta_time();
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();
}
time_since_motion += get_physics_process_delta_time();
@ -544,15 +545,15 @@ float ScrollBar::get_custom_step() const {
return custom_step;
}
void ScrollBar::_drag_slave_exit() {
void ScrollBar::_drag_node_exit() {
if (drag_slave) {
drag_slave->disconnect("gui_input", this, "_drag_slave_input");
if (drag_node) {
drag_node->disconnect("gui_input", this, "_drag_node_input");
}
drag_slave = NULL;
drag_node = NULL;
}
void ScrollBar::_drag_slave_input(const Ref<InputEvent> &p_input) {
void ScrollBar::_drag_node_input(const Ref<InputEvent> &p_input) {
Ref<InputEventMouseButton> mb = p_input;
@ -563,43 +564,30 @@ void ScrollBar::_drag_slave_input(const Ref<InputEvent> &p_input) {
if (mb->is_pressed()) {
if (drag_slave_touching) {
set_physics_process_internal(false);
drag_slave_touching_deaccel = false;
drag_slave_touching = false;
drag_slave_speed = Vector2();
drag_slave_accum = Vector2();
last_drag_slave_accum = Vector2();
drag_slave_from = Vector2();
}
drag_node_speed = Vector2();
drag_node_accum = Vector2();
last_drag_node_accum = Vector2();
drag_node_from = Vector2(orientation == HORIZONTAL ? get_value() : 0, orientation == VERTICAL ? get_value() : 0);
if (true) {
drag_slave_speed = Vector2();
drag_slave_accum = Vector2();
last_drag_slave_accum = Vector2();
//drag_slave_from=Vector2(h_scroll->get_val(),v_scroll->get_val());
drag_slave_from = Vector2(orientation == HORIZONTAL ? get_value() : 0, orientation == VERTICAL ? get_value() : 0);
drag_node_touching = OS::get_singleton()->has_touchscreen_ui_hint();
drag_node_touching_deaccel = false;
time_since_motion = 0;
drag_slave_touching = OS::get_singleton()->has_touchscreen_ui_hint();
drag_slave_touching_deaccel = false;
if (drag_node_touching) {
set_physics_process_internal(true);
time_since_motion = 0;
if (drag_slave_touching) {
set_physics_process_internal(true);
time_since_motion = 0;
}
}
} else {
if (drag_slave_touching) {
if (drag_node_touching) {
if (drag_slave_speed == Vector2()) {
drag_slave_touching_deaccel = false;
drag_slave_touching = false;
if (drag_node_speed == Vector2()) {
drag_node_touching_deaccel = false;
drag_node_touching = false;
set_physics_process_internal(false);
} else {
drag_slave_touching_deaccel = true;
drag_node_touching_deaccel = true;
}
}
}
@ -609,60 +597,54 @@ void ScrollBar::_drag_slave_input(const Ref<InputEvent> &p_input) {
if (mm.is_valid()) {
if (drag_slave_touching && !drag_slave_touching_deaccel) {
if (drag_node_touching && !drag_node_touching_deaccel) {
Vector2 motion = Vector2(mm->get_relative().x, mm->get_relative().y);
drag_slave_accum -= motion;
Vector2 diff = drag_slave_from + drag_slave_accum;
drag_node_accum -= motion;
Vector2 diff = drag_node_from + drag_node_accum;
if (orientation == HORIZONTAL)
set_value(diff.x);
/*
else
drag_slave_accum.x=0;
*/
if (orientation == VERTICAL)
set_value(diff.y);
/*
else
drag_slave_accum.y=0;
*/
time_since_motion = 0;
}
}
}
void ScrollBar::set_drag_slave(const NodePath &p_path) {
void ScrollBar::set_drag_node(const NodePath &p_path) {
if (is_inside_tree()) {
if (drag_slave) {
drag_slave->disconnect("gui_input", this, "_drag_slave_input");
drag_slave->disconnect("tree_exiting", this, "_drag_slave_exit");
if (drag_node) {
drag_node->disconnect("gui_input", this, "_drag_node_input");
drag_node->disconnect("tree_exiting", this, "_drag_node_exit");
}
}
drag_slave = NULL;
drag_slave_path = p_path;
drag_node = NULL;
drag_node_path = p_path;
if (is_inside_tree()) {
if (has_node(p_path)) {
Node *n = get_node(p_path);
drag_slave = Object::cast_to<Control>(n);
drag_node = Object::cast_to<Control>(n);
}
if (drag_slave) {
drag_slave->connect("gui_input", this, "_drag_slave_input");
drag_slave->connect("tree_exiting", this, "_drag_slave_exit", varray(), CONNECT_ONESHOT);
if (drag_node) {
drag_node->connect("gui_input", this, "_drag_node_input");
drag_node->connect("tree_exiting", this, "_drag_node_exit", varray(), CONNECT_ONESHOT);
}
}
}
NodePath ScrollBar::get_drag_slave() const {
NodePath ScrollBar::get_drag_node() const {
return drag_slave_path;
return drag_node_path;
}
void ScrollBar::set_smooth_scroll_enabled(bool p_enable) {
@ -678,8 +660,8 @@ 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);
ClassDB::bind_method(D_METHOD("_drag_slave_input"), &ScrollBar::_drag_slave_input);
ClassDB::bind_method(D_METHOD("_drag_slave_exit"), &ScrollBar::_drag_slave_exit);
ClassDB::bind_method(D_METHOD("_drag_node_input"), &ScrollBar::_drag_node_input);
ClassDB::bind_method(D_METHOD("_drag_node_exit"), &ScrollBar::_drag_node_exit);
ADD_SIGNAL(MethodInfo("scrolling"));
@ -691,13 +673,13 @@ ScrollBar::ScrollBar(Orientation p_orientation) {
orientation = p_orientation;
highlight = HIGHLIGHT_NONE;
custom_step = -1;
drag_slave = NULL;
drag_node = NULL;
drag.active = false;
drag_slave_speed = Vector2();
drag_slave_touching = false;
drag_slave_touching_deaccel = false;
drag_node_speed = Vector2();
drag_node_touching = false;
drag_node_touching_deaccel = false;
scrolling = false;
target_scroll = 0;

27
scene/gui/scroll_bar.h
View File

@ -36,6 +36,7 @@
/**
@author Juan Linietsky <reduzio@gmail.com>
*/
class ScrollBar : public Range {
GDCLASS(ScrollBar, Range);
@ -71,25 +72,25 @@ class ScrollBar : public Range {
static void set_can_focus_by_default(bool p_can_focus);
Node *drag_slave;
NodePath drag_slave_path;
Node *drag_node;
NodePath drag_node_path;
Vector2 drag_slave_speed;
Vector2 drag_slave_accum;
Vector2 drag_slave_from;
Vector2 last_drag_slave_accum;
float last_drag_slave_time;
Vector2 drag_node_speed;
Vector2 drag_node_accum;
Vector2 drag_node_from;
Vector2 last_drag_node_accum;
float last_drag_node_time;
float time_since_motion;
bool drag_slave_touching;
bool drag_slave_touching_deaccel;
bool drag_node_touching;
bool drag_node_touching_deaccel;
bool click_handled;
bool scrolling;
double target_scroll;
bool smooth_scroll_enabled;
void _drag_slave_exit();
void _drag_slave_input(const Ref<InputEvent> &p_input);
void _drag_node_exit();
void _drag_node_input(const Ref<InputEvent> &p_input);
void _gui_input(Ref<InputEvent> p_event);
@ -102,8 +103,8 @@ public:
void set_custom_step(float p_custom_step);
float get_custom_step() const;
void set_drag_slave(const NodePath &p_path);
NodePath get_drag_slave() const;
void set_drag_node(const NodePath &p_path);
NodePath get_drag_node() const;
void set_smooth_scroll_enabled(bool p_enable);
bool is_smooth_scroll_enabled() const;