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Diffstat (limited to 'scene/gui/scroll_bar.cpp')
-rw-r--r--scene/gui/scroll_bar.cpp247
1 files changed, 245 insertions, 2 deletions
diff --git a/scene/gui/scroll_bar.cpp b/scene/gui/scroll_bar.cpp
index fdd30c5f60..c661a804b3 100644
--- a/scene/gui/scroll_bar.cpp
+++ b/scene/gui/scroll_bar.cpp
@@ -29,7 +29,7 @@
#include "scroll_bar.h"
#include "os/keyboard.h"
#include "print_string.h"
-
+#include "os/os.h"
bool ScrollBar::focus_by_default=false;
@@ -293,6 +293,117 @@ void ScrollBar::_notification(int p_what) {
}
+ if (p_what==NOTIFICATION_ENTER_SCENE) {
+
+
+ if (has_node(drag_slave_path)) {
+ Node *n = get_node(drag_slave_path);
+ drag_slave=n->cast_to<Control>();
+ }
+
+ if (drag_slave) {
+ drag_slave->connect("input_event",this,"_drag_slave_input");
+ drag_slave->connect("exit_scene",this,"_drag_slave_exit",varray(),CONNECT_ONESHOT);
+ }
+
+
+ }
+ if (p_what==NOTIFICATION_EXIT_SCENE) {
+
+ if (drag_slave) {
+ drag_slave->disconnect("input_event",this,"_drag_slave_input");
+ drag_slave->disconnect("exit_scene",this,"_drag_slave_exit");
+ }
+
+ drag_slave=NULL;
+
+ }
+
+ if (p_what==NOTIFICATION_FIXED_PROCESS) {
+
+ if (drag_slave_touching) {
+
+ if (drag_slave_touching_deaccel) {
+
+ Vector2 pos = Vector2(orientation==HORIZONTAL?get_val():0,orientation==VERTICAL?get_val():0);
+ pos+=drag_slave_speed*get_fixed_process_delta_time();
+
+ bool turnoff=false;
+
+ if (orientation==HORIZONTAL) {
+
+ if (pos.x<0) {
+ pos.x=0;
+ turnoff=true;
+ }
+
+ if (pos.x > (get_max()-get_page())) {
+ pos.x=get_max()-get_page();
+ turnoff=true;
+ }
+
+ set_val(pos.x);
+
+ float sgn_x = drag_slave_speed.x<0? -1 : 1;
+ float val_x = Math::abs(drag_slave_speed.x);
+ val_x-=1000*get_fixed_process_delta_time();
+
+ if (val_x<0) {
+ turnoff=true;
+ }
+
+ drag_slave_speed.x=sgn_x*val_x;
+
+ } else {
+
+
+ if (pos.y<0) {
+ pos.y=0;
+ turnoff=true;
+ }
+
+ if (pos.y > (get_max()-get_page())) {
+ pos.y=get_max()-get_page();
+ turnoff=true;
+ }
+
+ set_val(pos.y);
+
+ float sgn_y = drag_slave_speed.y<0? -1 : 1;
+ float val_y = Math::abs(drag_slave_speed.y);
+ val_y-=1000*get_fixed_process_delta_time();
+
+ if (val_y<0) {
+ turnoff=true;
+ }
+ drag_slave_speed.y=sgn_y*val_y;
+ }
+
+
+ if (turnoff) {
+ set_fixed_process(false);
+ drag_slave_touching=false;
+ drag_slave_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_fixed_process_delta_time();
+ }
+
+ time_since_motion+=get_fixed_process_delta_time();
+ }
+ }
+
+
+ }
+
if (p_what==NOTIFICATION_MOUSE_EXIT) {
hilite=HILITE_NONE;
@@ -432,6 +543,131 @@ float ScrollBar::get_custom_step() const {
}
+void ScrollBar::_drag_slave_exit() {
+
+ if (drag_slave) {
+ drag_slave->disconnect("input_event",this,"_drag_slave_input");
+ }
+ drag_slave=NULL;
+}
+
+
+void ScrollBar::_drag_slave_input(const InputEvent& p_input) {
+
+ switch(p_input.type) {
+
+ case InputEvent::MOUSE_BUTTON: {
+
+ const InputEventMouseButton &mb=p_input.mouse_button;
+
+ if (mb.button_index!=1)
+ break;
+
+ if (mb.pressed) {
+
+ if (drag_slave_touching) {
+ set_fixed_process(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();
+ }
+
+ 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_val():0,orientation==VERTICAL?get_val():0);
+
+ drag_slave_touching=OS::get_singleton()->has_touchscreen_ui_hint();
+ drag_slave_touching_deaccel=false;
+ time_since_motion=0;
+ if (drag_slave_touching) {
+ set_fixed_process(true);
+ time_since_motion=0;
+
+ }
+ }
+
+ } else {
+
+ if (drag_slave_touching) {
+
+ if (drag_slave_speed==Vector2()) {
+ drag_slave_touching_deaccel=false;
+ drag_slave_touching=false;
+ set_fixed_process(false);
+ } else {
+
+ drag_slave_touching_deaccel=true;
+ }
+ }
+ }
+ } break;
+ case InputEvent::MOUSE_MOTION: {
+
+ const InputEventMouseMotion &mm=p_input.mouse_motion;
+
+ if (drag_slave_touching && ! drag_slave_touching_deaccel) {
+
+ Vector2 motion = Vector2(mm.relative_x,mm.relative_y);
+
+ drag_slave_accum-=motion;
+ Vector2 diff = drag_slave_from+drag_slave_accum;
+
+ if (orientation==HORIZONTAL)
+ set_val(diff.x);
+ //else
+ // drag_slave_accum.x=0;
+ if (orientation==VERTICAL)
+ set_val(diff.y);
+ //else
+ // drag_slave_accum.y=0;
+ time_since_motion=0;
+ }
+
+ } break;
+ }
+}
+
+void ScrollBar::set_drag_slave(const NodePath& p_path) {
+
+ if (is_inside_scene()) {
+
+ if (drag_slave) {
+ drag_slave->disconnect("input_event",this,"_drag_slave_input");
+ drag_slave->disconnect("exit_scene",this,"_drag_slave_exit");
+ }
+ }
+
+ drag_slave=NULL;
+ drag_slave_path=p_path;
+
+ if (is_inside_scene()) {
+
+ if (has_node(p_path)) {
+ Node *n = get_node(p_path);
+ drag_slave=n->cast_to<Control>();
+ }
+
+ if (drag_slave) {
+ drag_slave->connect("input_event",this,"_drag_slave_input");
+ drag_slave->connect("exit_scene",this,"_drag_slave_exit",varray(),CONNECT_ONESHOT);
+ }
+ }
+}
+
+NodePath ScrollBar::get_drag_slave() const{
+
+
+ return drag_slave_path;
+}
+
+
+
#if 0
void ScrollBar::mouse_button(const Point2& p_pos, int b.button_index,bool b.pressed,int p_modifier_mask) {
@@ -571,6 +807,8 @@ void ScrollBar::_bind_methods() {
ObjectTypeDB::bind_method(_MD("_input_event"),&ScrollBar::_input_event);
ObjectTypeDB::bind_method(_MD("set_custom_step","step"),&ScrollBar::set_custom_step);
ObjectTypeDB::bind_method(_MD("get_custom_step"),&ScrollBar::get_custom_step);
+ ObjectTypeDB::bind_method(_MD("_drag_slave_input"),&ScrollBar::_drag_slave_input);
+ ObjectTypeDB::bind_method(_MD("_drag_slave_exit"),&ScrollBar::_drag_slave_exit);
ADD_PROPERTY( PropertyInfo(Variant::REAL,"custom_step",PROPERTY_HINT_RANGE,"-1,4096"), _SCS("set_custom_step"),_SCS("get_custom_step"));
@@ -584,9 +822,14 @@ ScrollBar::ScrollBar(Orientation p_orientation)
orientation=p_orientation;
hilite=HILITE_NONE;
custom_step=-1;
+ drag_slave=NULL;
drag.active=false;
-
+
+ drag_slave_speed=Vector2();
+ drag_slave_touching=false;
+ drag_slave_touching_deaccel=false;
+
if (focus_by_default)
set_focus_mode( FOCUS_ALL );
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-07 08:47:45 +0000