From: Good Guy <good1.2guy@gmail.com>
Date: Sat, 14 Apr 2018 21:00:03 +0000 (-0600)
Subject: add bound test to dragchkbox
X-Git-Url: http://git.cinelerra-gg.org/git/?p=goodguy%2Fhistory.git;a=commitdiff_plain;h=17061ff8d289bfa96bef2da5bac789762f631d4a

add bound test to dragchkbox
---

diff --git a/cinelerra-5.1/cinelerra/dragcheckbox.C b/cinelerra-5.1/cinelerra/dragcheckbox.C
index 4db99b91..c3896399 100644
--- a/cinelerra-5.1/cinelerra/dragcheckbox.C
+++ b/cinelerra-5.1/cinelerra/dragcheckbox.C
@@ -233,6 +233,20 @@ int DragCheckBox::grab_event(XEvent *event)
 	return 1;
 }
 
+
+void DragCheckBox::bound()
+{
+	Track *track = get_drag_track();
+	int trk_w = track->track_w, trk_h = track->track_h;
+	float x1 = drag_x, x2 = x1 + drag_w;
+	float y1 = drag_y, y2 = y1 + drag_h;
+	bclamp(x1, 0, trk_w);  bclamp(x2, 0, trk_w);
+	bclamp(y1, 0, trk_h);  bclamp(y2, 0, trk_h);
+	if( x1 >= x2 ) { if( x2 > 0 ) x1 = x2-1; else x2 = (x1=0)+1; }
+	if( y1 >= y2 ) { if( x2 > 0 ) y1 = y2-1; else y2 = (y1=0)+1; }
+	drag_x = x1;  drag_y = y1;  drag_w = x2-x1;  drag_h = y2-y1;
+}
+
 void DragCheckBox::draw_boundary(VFrame *out,
 	int x, int y, int w, int h)
 {
diff --git a/cinelerra-5.1/cinelerra/dragcheckbox.h b/cinelerra-5.1/cinelerra/dragcheckbox.h
index 5628b3e6..aaa16554 100644
--- a/cinelerra-5.1/cinelerra/dragcheckbox.h
+++ b/cinelerra-5.1/cinelerra/dragcheckbox.h
@@ -15,6 +15,7 @@ public:
 	virtual int64_t get_drag_position() = 0;
 	virtual void update_gui() { return; };
 	void create_objects();
+	void bound();
 	static void draw_boundary(VFrame *out, int x, int y, int w, int h);
 
 	int check_pending();
diff --git a/cinelerra-5.1/plugins/findobj/findobjwindow.C b/cinelerra-5.1/plugins/findobj/findobjwindow.C
index 5ccec768..e9efbc0f 100644
--- a/cinelerra-5.1/plugins/findobj/findobjwindow.C
+++ b/cinelerra-5.1/plugins/findobj/findobjwindow.C
@@ -520,6 +520,7 @@ int64_t FindObjDragScene::get_drag_position()
 }
 void FindObjDragScene::update_gui()
 {
+	bound();
 	Track *track = get_drag_track();
 	int trk_w = track->track_w, trk_h = track->track_h;
 	float ctr_x = drag_x + drag_w/2, ctr_y = drag_y + drag_h/2;
@@ -559,6 +560,7 @@ int64_t FindObjDragObject::get_drag_position()
 }
 void FindObjDragObject::update_gui()
 {
+	bound();
 	Track *track = get_drag_track();
 	int trk_w = track->track_w, trk_h = track->track_h;
 	float ctr_x = drag_x + drag_w/2, ctr_y = drag_y + drag_h/2;
@@ -598,6 +600,7 @@ int64_t FindObjDragReplace::get_drag_position()
 }
 void FindObjDragReplace::update_gui()
 {
+	bound();
 	Track *track = get_drag_track();
 	int trk_w = track->track_w, trk_h = track->track_h;
 	float ctr_x = drag_x + drag_w/2, ctr_y = drag_y + drag_h/2;