set nil as the initial value of the struct reference type fields (#558)

shove70 · web-flow · commit 25de592352c2 · 2023-11-21T13:05:05.000+02:00
diff --git a/component/accordion.v b/component/accordion.v
@@ -6,7 +6,7 @@ import gx
 @[heap]
 pub struct AccordionComponent {
 pub mut:
-	layout     &ui.Stack // required
+	layout     &ui.Stack = unsafe { nil } // required
 	titles     map[string]string
 	selected   map[string]bool
 	views      map[string]int
diff --git a/component/alpha.v b/component/alpha.v
@@ -9,10 +9,10 @@ pub struct AlphaComponent {
 pub mut:
 	id         string
 	alpha      int
-	layout     &ui.Stack
-	slider     &ui.Slider
-	textbox    &ui.TextBox
-	on_changed AlphaFn = AlphaFn(0)
+	layout     &ui.Stack   = unsafe { nil }
+	slider     &ui.Slider  = unsafe { nil }
+	textbox    &ui.TextBox = unsafe { nil }
+	on_changed AlphaFn     = AlphaFn(0)
 }
 
 @[params]
diff --git a/component/colorbox.v b/component/colorbox.v
@@ -47,17 +47,17 @@ mut:
 	hsl   bool // use hsl instead of hsv
 	drag  bool // drag mode for canvas on h
 pub mut:
-	layout     &ui.Stack // required
-	cv_h       &ui.CanvasLayout
-	cv_sv      &ui.CanvasLayout
-	r_rgb_cur  &ui.Rectangle
-	cv_hsv_sel &ui.CanvasLayout
-	tb_r       &ui.TextBox
-	tb_g       &ui.TextBox
-	tb_b       &ui.TextBox
-	lb_r       &ui.Label
-	lb_g       &ui.Label
-	lb_b       &ui.Label
+	layout     &ui.Stack        = unsafe { nil } // required
+	cv_h       &ui.CanvasLayout = unsafe { nil }
+	cv_sv      &ui.CanvasLayout = unsafe { nil }
+	r_rgb_cur  &ui.Rectangle    = unsafe { nil }
+	cv_hsv_sel &ui.CanvasLayout = unsafe { nil }
+	tb_r       &ui.TextBox      = unsafe { nil }
+	tb_g       &ui.TextBox      = unsafe { nil }
+	tb_b       &ui.TextBox      = unsafe { nil }
+	lb_r       &ui.Label        = unsafe { nil }
+	lb_g       &ui.Label        = unsafe { nil }
+	lb_b       &ui.Label        = unsafe { nil }
 }
 
 @[params]
diff --git a/component/colorbutton.v b/component/colorbutton.v
@@ -8,8 +8,8 @@ type ColorButtonFn = fn (b &ColorButtonComponent)
 @[heap]
 pub struct ColorButtonComponent {
 pub mut:
-	widget     &ui.Button
-	bg_color   gx.Color = gx.white
+	widget     &ui.Button = unsafe { nil }
+	bg_color   gx.Color   = gx.white
 	alpha      int
 	on_click   ColorButtonFn = ColorButtonFn(0)
 	on_changed ColorButtonFn = ColorButtonFn(0)
diff --git a/component/colorpalette.v b/component/colorpalette.v
@@ -8,8 +8,8 @@ import math
 pub struct ColorPaletteComponent {
 pub mut:
 	id       string
-	layout   &ui.Stack  // required
-	colbtn   &ui.Button // current
+	layout   &ui.Stack  = unsafe { nil } // required
+	colbtn   &ui.Button = unsafe { nil } // current
 	ncolors  int
 	alpha    &AlphaComponent = unsafe { nil }
 	color    &gx.Color       = unsafe { nil }
diff --git a/component/colorsliders.v b/component/colorsliders.v
@@ -15,7 +15,7 @@ type ColorSlidersFn = fn (cs &ColorSlidersComponent)
 pub struct ColorSlidersComponent {
 	id string
 pub mut:
-	layout         &ui.Stack // required
+	layout         &ui.Stack = unsafe { nil } // required
 	orientation    ui.Orientation
 	r_slider       &ui.Slider  = unsafe { nil }
 	r_textbox      &ui.TextBox = unsafe { nil }
diff --git a/component/double_listbox.v b/component/double_listbox.v
@@ -5,12 +5,12 @@ import ui
 @[heap]
 pub struct DoubleListBoxComponent {
 pub mut:
-	layout    &ui.Stack // required
-	lb_left   &ui.ListBox
-	lb_right  &ui.ListBox
-	btn_left  &ui.Button
-	btn_right &ui.Button
-	btn_clear &ui.Button
+	layout    &ui.Stack   = unsafe { nil } // required
+	lb_left   &ui.ListBox = unsafe { nil }
+	lb_right  &ui.ListBox = unsafe { nil }
+	btn_left  &ui.Button  = unsafe { nil }
+	btn_right &ui.Button  = unsafe { nil }
+	btn_clear &ui.Button  = unsafe { nil }
 }
 
 @[params]
diff --git a/component/filebrowser.v b/component/filebrowser.v
@@ -7,9 +7,9 @@ import os
 @[heap]
 pub struct FileBrowserComponent {
 pub mut:
-	layout     &ui.Stack
-	btn_cancel &ui.Button
-	btn_ok     &ui.Button
+	layout     &ui.Stack  = unsafe { nil }
+	btn_cancel &ui.Button = unsafe { nil }
+	btn_ok     &ui.Button = unsafe { nil }
 	tv         &TreeViewComponent = unsafe { nil }
 	dir        string
 }
diff --git a/component/fontbutton.v b/component/fontbutton.v
@@ -6,7 +6,7 @@ import gx
 @[heap]
 pub struct FontButtonComponent {
 pub mut:
-	btn &ui.Button
+	btn &ui.Button = unsafe { nil }
 	dtw ui.DrawTextWidget
 }
 
diff --git a/component/fontchooser.v b/component/fontchooser.v
@@ -11,7 +11,7 @@ const (
 @[heap]
 pub struct FontChooserComponent {
 pub mut:
-	layout &ui.Stack // required
+	layout &ui.Stack = unsafe { nil } // required
 	dtw    ui.DrawTextWidget
 }
 
diff --git a/component/grid.v b/component/grid.v
@@ -25,7 +25,7 @@ type GridData = Factor | []bool | []f64 | []int | []string
 pub struct GridComponent {
 pub mut:
 	id           string
-	layout       &ui.CanvasLayout
+	layout       &ui.CanvasLayout = unsafe { nil }
 	vars         []GridVar
 	types        []GridType
 	formula_mngr GridFormulaMngr
diff --git a/component/hideable.v b/component/hideable.v
@@ -7,7 +7,7 @@ import gx
 pub struct HideableComponent {
 pub mut:
 	id              string
-	layout          &ui.Stack
+	layout          &ui.Stack = unsafe { nil }
 	child_layout_id string
 	window          &ui.Window = &ui.Window(unsafe { nil })
 	z_index         map[string]int
@@ -20,8 +20,8 @@ pub mut:
 pub struct HideableParams {
 	id       string
 	bg_color gx.Color
-	layout   &ui.Stack
-	hidden   bool = true
+	layout   &ui.Stack = unsafe { nil }
+	hidden   bool      = true
 	shortcut string
 	open     bool = true
 }
diff --git a/component/menufile.v b/component/menufile.v
@@ -10,7 +10,7 @@ pub type MenuFileFn = fn (&MenuFileComponent)
 pub struct MenuFileComponent {
 pub mut:
 	id              string
-	layout          &ui.Stack
+	layout          &ui.Stack = unsafe { nil }
 	hidden_files    bool
 	file            string
 	folder_to_open  string
diff --git a/component/messagebox.v b/component/messagebox.v
@@ -7,9 +7,9 @@ type MessageBoxFn = fn (&MessageBoxComponent)
 @[heap]
 pub struct MessageBoxComponent {
 	id       string
-	layout   &ui.Stack
-	tb       &ui.TextBox
-	btn      &ui.Button
+	layout   &ui.Stack   = unsafe { nil }
+	tb       &ui.TextBox = unsafe { nil }
+	btn      &ui.Button  = unsafe { nil }
 	text     string
 	on_click MessageBoxFn = MessageBoxFn(0)
 }
diff --git a/component/rasterview.v b/component/rasterview.v
@@ -12,8 +12,8 @@ type RasterViewFn = fn (rv &RasterViewComponent)
 pub struct RasterViewComponent {
 pub mut:
 	id     string
-	layout &ui.CanvasLayout
-	r      &libvg.Raster
+	layout &ui.CanvasLayout = unsafe { nil }
+	r      &libvg.Raster    = unsafe { nil }
 	// width      int
 	// height     int
 	// channels   int = 4
diff --git a/component/settings.v b/component/settings.v
@@ -11,10 +11,10 @@ pub struct SettingFont {
 	param   string
 	lb_text string
 mut:
-	layout   &ui.Stack
-	lb_param &ui.Label
-	lb_font  &ui.Label
-	btn_font &ui.Button
+	layout   &ui.Stack  = unsafe { nil }
+	lb_param &ui.Label  = unsafe { nil }
+	lb_font  &ui.Label  = unsafe { nil }
+	btn_font &ui.Button = unsafe { nil }
 }
 
 @[params]
diff --git a/component/splitpanel.v b/component/splitpanel.v
@@ -9,9 +9,9 @@ const splitpanel_btn_size = 6
 pub struct SplitPanelComponent {
 pub mut:
 	id        string
-	layout    &ui.Stack
-	child1    &ui.Widget
-	child2    &ui.Widget
+	layout    &ui.Stack  = unsafe { nil }
+	child1    &ui.Widget = unsafe { nil }
+	child2    &ui.Widget = unsafe { nil }
 	direction ui.Direction
 	active    bool
 	weight    f32
@@ -21,8 +21,8 @@ pub mut:
 @[params]
 pub struct SplitPanelParams {
 	id        string
-	child1    &ui.Widget
-	child2    &ui.Widget
+	child1    &ui.Widget   = unsafe { nil }
+	child2    &ui.Widget   = unsafe { nil }
 	direction ui.Direction = .row
 	weight    f64 = 50.0
 	btn_size  int = component.splitpanel_btn_size
diff --git a/component/tabs.v b/component/tabs.v
@@ -12,10 +12,10 @@ enum TabsMode {
 pub struct TabsComponent {
 pub mut:
 	id                 string
-	layout             &ui.Stack // required
+	layout             &ui.Stack = unsafe { nil } // required
 	active             string
 	prev_active        string
-	tab_bar            &ui.Stack
+	tab_bar            &ui.Stack = unsafe { nil }
 	pages              map[string]ui.Widget
 	z_index            map[string]int
 	mode               TabsMode
diff --git a/component/treeview.v b/component/treeview.v
@@ -115,7 +115,7 @@ type TreeViewClickFn = fn (c &ui.CanvasLayout, mut tv TreeViewComponent)
 pub struct TreeViewComponent {
 pub mut:
 	id         string
-	layout     &ui.Stack // required
+	layout     &ui.Stack = unsafe { nil } // required
 	trees      []Tree
 	icon_paths map[string]string
 	text_color gx.Color

Original file line number	Diff line number	Diff line change
`@@ -6,7 +6,7 @@ import gx`
`6`	`6`	`@[heap]`
`7`	`7`	`pub struct FontButtonComponent {`
`8`	`8`	`pub mut:`
`9`		`- btn &ui.Button`
	`9`	`+ btn &ui.Button = unsafe { nil }`
`10`	`10`	`dtw ui.DrawTextWidget`
`11`	`11`	`}`
`12`	`12`
Original file line number	Diff line number	Diff line change
`@@ -11,7 +11,7 @@ const (`
`11`	`11`	`@[heap]`
`12`	`12`	`pub struct FontChooserComponent {`
`13`	`13`	`pub mut:`
`14`		`- layout &ui.Stack // required`
	`14`	`+ layout &ui.Stack = unsafe { nil } // required`
`15`	`15`	`dtw ui.DrawTextWidget`
`16`	`16`	`}`
`17`	`17`