add scroll to change pen size

CHANGELOG.md

@@ -5,7 +5,8 @@ This is a high-level changelog for each released versions of the plugin.
 For a more detailed list of past changes, see the commit history.
 
 1.0.2
-------
+-------
+- Added scroll in draw mode to change pen size
 - Auto hide toolbar when in draw mode
 - Added keyboard shortcut to toggle toolbar
 

README.md

@@ -1,6 +1,6 @@
 Draw Anywhere (Godot Editor)
 =========================================
-###### (Get it from Godot Asset Library - Coming soon)
+###### (Get it from Godot Asset Library - [Asset Library](https://godotengine.org/asset-library/asset/1184))
 
 
 ### Draw anywhere in the Godot Editor. Supports multiple pen sizes and colors.
@@ -18,7 +18,7 @@ Features
 - Floating, draggable toolbar
 - Change pen size and color
 - Draw over Popups
-- Easy keyboard shortcuts
+- Easy shortcut keys
 
 Automatic Installation
 --------------
@@ -51,7 +51,7 @@ Once the plugin is enabled, a new floating toolbar will appear. This toolbar has
 
 When draw mode is active, an indicator will be shown in the bottom-left of the screen.
 
-Keyboard Shortcuts
+Shortcuts
 --------------
 
 ### Global shortcuts
@@ -72,6 +72,8 @@ These shortcuts will only work when draw mode is active
 | Z           | Clear last line            |
 | R           | Reset the toolbar position |
 
+Scroll to change pen size
+
 
 Limitations?
 --------------

addons/draw_anywhere/README.md

@@ -1,6 +1,6 @@
 Draw Anywhere (Godot Editor)
 =========================================
-###### (Get it from Godot Asset Library - Coming soon)
+###### (Get it from Godot Asset Library - [Asset Library](https://godotengine.org/asset-library/asset/1184))
 
 
 ### Draw anywhere in the Godot Editor. Supports multiple pen sizes and colors.
@@ -18,7 +18,7 @@ Features
 - Floating, draggable toolbar
 - Change pen size and color
 - Draw over Popups
-- Easy keyboard shortcuts
+- Easy shortcut keys
 
 Automatic Installation
 --------------
@@ -51,7 +51,7 @@ Once the plugin is enabled, a new floating toolbar will appear. This toolbar has
 
 When draw mode is active, an indicator will be shown in the bottom-left of the screen.
 
-Keyboard Shortcuts
+Shortcuts
 --------------
 
 ### Global shortcuts
@@ -72,6 +72,8 @@ These shortcuts will only work when draw mode is active
 | Z           | Clear last line            |
 | R           | Reset the toolbar position |
 
+Scroll to change pen size
+
 
 Limitations?
 --------------

addons/draw_anywhere/plugin.gd

@@ -38,6 +38,8 @@ var default_plugin_settings = {
 }
 var draw_settings = {
 	"size": 1,
+	"min_size": 1,
+	"max_size": 16,
 	"color": Color("#eee"),
 	"antialised": true,
 	"begin_cap_mode": Line2D.LINE_CAP_ROUND,
@@ -147,6 +149,18 @@ func _input(event: InputEvent) -> void:
 			current_line.add_point(event.position)
 		get_tree().set_input_as_handled()
 
+	# Handle scrolling to change size
+	if event is InputEventMouseButton and event.pressed:
+		if event.button_index == BUTTON_WHEEL_UP:
+			_set_draw_size(draw_settings.size + 1)
+		elif event.button_index == BUTTON_WHEEL_DOWN:
+			_set_draw_size(draw_settings.size - 1)
+
+
+func _set_draw_size(p_size):
+	draw_settings.size = clamp(p_size, draw_settings.min_size, draw_settings.max_size)
+	canvas.update_drag_preview_size(self)
+
 
 func _on_draw_button_pressed(is_now_active):
 	# Draw button on the toolbar was pressed

addons/draw_anywhere/scenes/Canvas.gd

@@ -44,6 +44,9 @@ func show_draw_preview(plugin):
 	draw_preview.visible = true
 	draw_preview.set_process(true)
 
+func update_drag_preview_size(plugin):
+	draw_preview.rect_size = Vector2(plugin.draw_settings.size, plugin.draw_settings.size)
+
 
 func hide_draw_preview():
 	draw_preview.visible = false