-fixes to capture mode

-ability to drag spinboxes and tree ranges to change values, like in Unity or Unreal

1 files changed, 53 insertions, 1 deletions

diff --git a/scene/gui/spin_box.cpp b/scene/gui/spin_box.cpp
index 41e775bbff..2478e3204c 100644
--- a/scene/gui/spin_box.cpp
+++ b/scene/gui/spin_box.cpp
@@ -27,7 +27,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 #include "spin_box.h"
-
+#include "os/input.h"
 
 Size2 SpinBox::get_minimum_size() const {
 
@@ -62,6 +62,13 @@ LineEdit *SpinBox::get_line_edit() {
 }
 
 
+void SpinBox::_line_edit_input(const InputEvent& p_event) {
+
+
+
+}
+
+
 void SpinBox::_input_event(const InputEvent& p_event) {
 
 	if (p_event.type==InputEvent::MOUSE_BUTTON && p_event.mouse_button.pressed) {
@@ -94,6 +101,48 @@ void SpinBox::_input_event(const InputEvent& p_event) {
 			} break;
 		}
 	}
+
+	if (p_event.type==InputEvent::MOUSE_BUTTON && p_event.mouse_button.pressed && p_event.mouse_button.button_index==1) {
+
+		//set_default_cursor_shape(CURSOR_VSIZE);
+		Vector2 cpos = Vector2(p_event.mouse_button.x,p_event.mouse_button.y);
+		drag.mouse_pos=cpos;
+	}
+
+	if (p_event.type==InputEvent::MOUSE_BUTTON && !p_event.mouse_button.pressed && p_event.mouse_button.button_index==1) {
+
+		//set_default_cursor_shape(CURSOR_ARROW);
+		if (drag.enabled) {
+			drag.enabled=false;
+			Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_VISIBLE);
+			warp_mouse(drag.capture_pos);
+		}
+	}
+
+	if (p_event.type==InputEvent::MOUSE_MOTION && p_event.mouse_button.button_mask&1) {
+
+		Vector2 cpos = Vector2(p_event.mouse_motion.x,p_event.mouse_motion.y);
+		if (drag.enabled) {
+
+			float diff_y = drag.mouse_pos.y - cpos.y;
+			diff_y=pow(ABS(diff_y),1.8)*SGN(diff_y);
+			diff_y*=0.1;
+
+			drag.mouse_pos=cpos;
+			drag.base_val=CLAMP(drag.base_val + get_step() * diff_y, get_min(), get_max());
+
+			set_val( drag.base_val);
+
+		} else if (drag.mouse_pos.distance_to(cpos)>2) {
+
+			Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_CAPTURED);
+			drag.enabled=true;
+			drag.base_val=get_val();
+			drag.mouse_pos=cpos;
+			drag.capture_pos=cpos;
+
+		}
+	}
 }
 
 
@@ -177,6 +226,7 @@ void SpinBox::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("is_editable"),&SpinBox::is_editable);
 	ObjectTypeDB::bind_method(_MD("_line_edit_focus_exit"),&SpinBox::_line_edit_focus_exit);
 	ObjectTypeDB::bind_method(_MD("get_line_edit"),&SpinBox::get_line_edit);
+	ObjectTypeDB::bind_method(_MD("_line_edit_input"),&SpinBox::_line_edit_input);
 
 
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL,"editable"),_SCS("set_editable"),_SCS("is_editable"));
@@ -196,4 +246,6 @@ SpinBox::SpinBox() {
 	//connect("value_changed",this,"_value_changed");
 	line_edit->connect("text_entered",this,"_text_entered",Vector<Variant>(),CONNECT_DEFERRED);
 	line_edit->connect("focus_exit",this,"_line_edit_focus_exit",Vector<Variant>(),CONNECT_DEFERRED);
+	line_edit->connect("input_event",this,"_line_edit_input");
+	drag.enabled=false;
 }