Map editor: add angle information about linedefs and change format of…

… line length. (#786)

* Changed information representation about line angles and point coordinates

* Fix wxWidgets assertion on non-existent FindItemByPosition(0)

src/MapEditor/Edit/Input.cpp

@@ -97,7 +97,7 @@ bool Input::mouseMove(int new_x, int new_y)
 	double my = context_.snapToGrid(mouse_pos_map_.y, false);
 	string status_text;
 	if (context_.mapDesc().format == MAP_UDMF)
-		status_text = S_FMT("Position: (%1.3f, %1.3f)", mx, my);
+        status_text = S_FMT("Position: (%1.1f, %1.1f)", mx, my);
 	else
 		status_text = S_FMT("Position: (%d, %d)", (int)mx, (int)my);
 	MapEditor::setStatusText(status_text, 3);

src/MapEditor/Renderer/Overlays/LineInfoOverlay.cpp

@@ -89,7 +89,8 @@ void LineInfoOverlay::update(MapLine* line)
 		info_text += (S_FMT("Line #%d (%d)\n", line->getIndex(), line->getId()));
 	else
 		info_text += (S_FMT("Line #%d\n", line->getIndex()));
-	info_text += (S_FMT("Length: %d\n", MathStuff::round(line->getLength())));
+    info_text += (S_FMT("Length: %1.2f\n", line->getLength()));
+    info_text += (S_FMT("Angle: %1.2f\n", line->getAngle()));
 
 	// Line special
 	int as_id = line->intProperty("special");

src/MapEditor/SLADEMap/MapLine.cpp

@@ -493,6 +493,18 @@ double MapLine::getLength()
 	return length;
 }
 
+/* MapLine::getAngle
+ * Returns the angle (in degrees) of line, east is zero, front side counter-clock wise.
+ *******************************************************************/
+double MapLine::getAngle()
+{
+    if (!vertex1 || !vertex2)
+        return -1;
+    double angle = (180.0 / M_PI) *  atan2(vertex1->yPos() - vertex2->yPos(), vertex1->xPos() - vertex2->xPos());
+    if (angle < 0) angle += 360.0;
+    return angle;
+}
+
 /* MapLine::doubleSector
  * Returns true if the line has the same sector on both sides
  *******************************************************************/

src/MapEditor/SLADEMap/MapLine.h

@@ -115,6 +115,7 @@ class MapLine : public MapObject
 	fpoint2_t	point2();
 	fseg2_t		seg();
 	double		getLength();
+    double		getAngle();
 	bool		doubleSector();
 	fpoint2_t	frontVector();
 	fpoint2_t	dirTabPoint(double length = 0);

src/MapEditor/UI/MapEditorWindow.cpp

@@ -322,7 +322,7 @@ void MapEditorWindow::setupLayout()
 
 	// Status bar
 	CreateStatusBar(4);
-	int status_widths[4] = { -1, 240, 200, 160 };
+    int status_widths[4] = { -1, 240, 200, 300 };
 	SetStatusWidths(4, status_widths);
 
 	// -- Console Panel --

src/UI/STopWindow.cpp

@@ -208,7 +208,7 @@ void STopWindow::removeAllCustomToolBars()
 // ----------------------------------------------------------------------------
 void STopWindow::populateToolbarsMenu() const
 {
-	while (toolbar_menu_->FindItemByPosition(0))
+    while (toolbar_menu_->GetMenuItemCount())
 		toolbar_menu_->Delete(toolbar_menu_->FindItemByPosition(0));
 
 	for (auto a = 0u; a < toolbar_->groups().size(); ++a)