GPencil: Add Bracket keymaps to increase/decrease brush size

This add the missing keymaps.

Requested by Jukien Kaspar.

Differential Revision: https://developer.blender.org/D11183

2 files changed, 28 insertions, 1 deletions

diff --git a/release/scripts/presets/keyconfig/keymap_data/blender_default.py b/release/scripts/presets/keyconfig/keymap_data/blender_default.py
index 69bda524de2..9bccc69d41f 100644
--- a/release/scripts/presets/keyconfig/keymap_data/blender_default.py
+++ b/release/scripts/presets/keyconfig/keymap_data/blender_default.py
@@ -3377,6 +3377,11 @@ def km_grease_pencil_stroke_paint_mode(params):
         # Brush size
         ("wm.radial_control", {"type": 'F', "value": 'PRESS'},
          {"properties": [("data_path_primary", 'tool_settings.gpencil_paint.brush.size')]}),
+        # Increase/Decrease brush size
+        ("brush.scale_size", {"type": 'LEFT_BRACKET', "value": 'PRESS', "repeat": True},
+         {"properties": [("scalar", 0.9)]}),
+        ("brush.scale_size", {"type": 'RIGHT_BRACKET', "value": 'PRESS', "repeat": True},
+         {"properties": [("scalar", 1.0 / 0.9)]}),
         # Draw delete menu
         op_menu("GPENCIL_MT_gpencil_draw_delete", {"type": 'X', "value": 'PRESS'}),
         # Animation menu
@@ -3544,6 +3549,11 @@ def km_grease_pencil_stroke_sculpt_mode(params):
         # Brush size
         ("wm.radial_control", {"type": 'F', "value": 'PRESS'},
          {"properties": [("data_path_primary", 'tool_settings.gpencil_sculpt_paint.brush.size')]}),
+        # Increase/Decrease brush size
+        ("brush.scale_size", {"type": 'LEFT_BRACKET', "value": 'PRESS', "repeat": True},
+         {"properties": [("scalar", 0.9)]}),
+        ("brush.scale_size", {"type": 'RIGHT_BRACKET', "value": 'PRESS', "repeat": True},
+         {"properties": [("scalar", 1.0 / 0.9)]}),
         # Copy
         ("gpencil.copy", {"type": 'C', "value": 'PRESS', "ctrl": True}, None),
         # Display
@@ -3758,6 +3768,11 @@ def km_grease_pencil_stroke_weight_mode(params):
         # Brush size
         ("wm.radial_control", {"type": 'F', "value": 'PRESS'},
          {"properties": [("data_path_primary", 'tool_settings.gpencil_weight_paint.brush.size')]}),
+        # Increase/Decrease brush size
+        ("brush.scale_size", {"type": 'LEFT_BRACKET', "value": 'PRESS', "repeat": True},
+         {"properties": [("scalar", 0.9)]}),
+        ("brush.scale_size", {"type": 'RIGHT_BRACKET', "value": 'PRESS', "repeat": True},
+         {"properties": [("scalar", 1.0 / 0.9)]}),
         # Display
         *_grease_pencil_display(),
         # Keyframe menu
@@ -3815,6 +3830,11 @@ def km_grease_pencil_stroke_vertex_mode(params):
         # Brush size
         ("wm.radial_control", {"type": 'F', "value": 'PRESS'},
          {"properties": [("data_path_primary", 'tool_settings.gpencil_vertex_paint.brush.size')]}),
+        # Increase/Decrease brush size
+        ("brush.scale_size", {"type": 'LEFT_BRACKET', "value": 'PRESS', "repeat": True},
+         {"properties": [("scalar", 0.9)]}),
+        ("brush.scale_size", {"type": 'RIGHT_BRACKET', "value": 'PRESS', "repeat": True},
+         {"properties": [("scalar", 1.0 / 0.9)]}),
         # Display
         *_grease_pencil_display(),
         # Tools
diff --git a/source/blender/editors/sculpt_paint/paint_ops.c b/source/blender/editors/sculpt_paint/paint_ops.c
index e1dc8fa30b9..fed89e02e8f 100644
--- a/source/blender/editors/sculpt_paint/paint_ops.c
+++ b/source/blender/editors/sculpt_paint/paint_ops.c
@@ -139,13 +139,14 @@ static int brush_scale_size_exec(bContext *C, wmOperator *op)
   Scene *scene = CTX_data_scene(C);
   Paint *paint = BKE_paint_get_active_from_context(C);
   Brush *brush = BKE_paint_brush(paint);
+  const bool is_gpencil = (brush && brush->gpencil_settings != NULL);
   // Object *ob = CTX_data_active_object(C);
   float scalar = RNA_float_get(op->ptr, "scalar");
 
   if (brush) {
     /* pixel radius */
     {
-      const int old_size = BKE_brush_size_get(scene, brush);
+      const int old_size = (!is_gpencil) ? BKE_brush_size_get(scene, brush) : brush->size;
       int size = (int)(scalar * old_size);
 
       if (abs(old_size - size) < U.pixelsize) {
@@ -156,6 +157,12 @@ static int brush_scale_size_exec(bContext *C, wmOperator *op)
           size -= U.pixelsize;
         }
       }
+      /* Grease Pencil does not use unified size. */
+      if (is_gpencil) {
+        brush->size = max_ii(size, 1);
+        WM_main_add_notifier(NC_BRUSH | NA_EDITED, brush);
+        return OPERATOR_FINISHED;
+      }
 
       BKE_brush_size_set(scene, brush, size);
     }