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Removed error returns from Control.preferredSize() since errors are not going to be returned anymore.

This commit is contained in:
Pietro Gagliardi 2014-03-09 19:44:41 -04:00
parent ab11900d43
commit ce571bad52
10 changed files with 23 additions and 42 deletions
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5
button.go
View File

@ -69,10 +69,9 @@ func (b *Button) setRect(x int, y int, width int, height int, winheight int) err
return b.sysData.setRect(x, y, width, height, winheight)
}
func (b *Button) preferredSize() (width int, height int, err error) {
func (b *Button) preferredSize() (width int, height int) {
b.lock.Lock()
defer b.lock.Unlock()
width, height = b.sysData.preferredSize()
return
return b.sysData.preferredSize()
}

5
checkbox.go
View File

@ -75,10 +75,9 @@ func (c *Checkbox) setRect(x int, y int, width int, height int, winheight int) e
return c.sysData.setRect(x, y, width, height, winheight)
}
func (c *Checkbox) preferredSize() (width int, height int, err error) {
func (c *Checkbox) preferredSize() (width int, height int) {
c.lock.Lock()
defer c.lock.Unlock()
width, height = c.sysData.preferredSize()
return
return c.sysData.preferredSize()
}

5
combobox.go
View File

@ -154,10 +154,9 @@ func (c *Combobox) setRect(x int, y int, width int, height int, winheight int) e
return c.sysData.setRect(x, y, width, height, winheight)
}
func (c *Combobox) preferredSize() (width int, height int, err error) {
func (c *Combobox) preferredSize() (width int, height int) {
c.lock.Lock()
defer c.lock.Unlock()
width, height = c.sysData.preferredSize()
return
return c.sysData.preferredSize()
}

2
control.go
View File

@ -9,5 +9,5 @@ import (
type Control interface {
make(window *sysData) error
setRect(x int, y int, width int, height int, winheight int) error
preferredSize() (width int, height int, err error)
preferredSize() (width int, height int)
}

14
grid.go
View File

@ -132,10 +132,7 @@ func (g *Grid) setRect(x int, y int, width int, height int, winheight int) error
// 2) get preferred sizes; compute row/column sizes
for row, xcol := range g.controls {
for col, c := range xcol {
w, h, err := c.preferredSize()
if err != nil {
return fmt.Errorf("error getting preferred size of control (%d,%d) in Grid.setRect(): %v", row, col, err)
}
w, h := c.preferredSize()
g.widths[row][col] = w
g.heights[row][col] = h
g.rowheights[row] = max(g.rowheights[row], h)
@ -180,7 +177,7 @@ func (g *Grid) setRect(x int, y int, width int, height int, winheight int) error
}
// filling and stretchy are ignored for preferred size calculation
func (g *Grid) preferredSize() (width int, height int, err error) {
func (g *Grid) preferredSize() (width int, height int) {
g.lock.Lock()
defer g.lock.Unlock()
@ -201,10 +198,7 @@ func (g *Grid) preferredSize() (width int, height int, err error) {
// 2) get preferred sizes; compute row/column sizes
for row, xcol := range g.controls {
for col, c := range xcol {
w, h, err := c.preferredSize()
if err != nil {
return 0, 0, fmt.Errorf("error getting preferred size of control (%d,%d) in Grid.setRect(): %v", row, col, err)
}
w, h := c.preferredSize()
g.widths[row][col] = w
g.heights[row][col] = h
g.rowheights[row] = max(g.rowheights[row], h)
@ -218,5 +212,5 @@ func (g *Grid) preferredSize() (width int, height int, err error) {
for _, h := range g.rowheights {
height += h
}
return width, height, nil
return width, height
}

5
label.go
View File

@ -63,10 +63,9 @@ func (l *Label) setRect(x int, y int, width int, height int, winheight int) erro
return l.sysData.setRect(x, y, width, height, winheight)
}
func (l *Label) preferredSize() (width int, height int, err error) {
func (l *Label) preferredSize() (width int, height int) {
l.lock.Lock()
defer l.lock.Unlock()
width, height = l.sysData.preferredSize()
return
return l.sysData.preferredSize()
}

5
lineedit.go
View File

@ -75,10 +75,9 @@ func (l *LineEdit) setRect(x int, y int, width int, height int, winheight int) e
return l.sysData.setRect(x, y, width, height, winheight)
}
func (l *LineEdit) preferredSize() (width int, height int, err error) {
func (l *LineEdit) preferredSize() (width int, height int) {
l.lock.Lock()
defer l.lock.Unlock()
width, height = l.sysData.preferredSize()
return
return l.sysData.preferredSize()
}

5
listbox.go
View File

@ -139,10 +139,9 @@ func (l *Listbox) setRect(x int, y int, width int, height int, winheight int) er
return l.sysData.setRect(x, y, width, height, winheight)
}
func (l *Listbox) preferredSize() (width int, height int, err error) {
func (l *Listbox) preferredSize() (width int, height int) {
l.lock.Lock()
defer l.lock.Unlock()
width, height = l.sysData.preferredSize()
return
return l.sysData.preferredSize()
}

5
progressbar.go
View File

@ -56,10 +56,9 @@ func (p *ProgressBar) setRect(x int, y int, width int, height int, winheight int
return p.sysData.setRect(x, y, width, height, winheight)
}
func (p *ProgressBar) preferredSize() (width int, height int, err error) {
func (p *ProgressBar) preferredSize() (width int, height int) {
p.lock.Lock()
defer p.lock.Unlock()
width, height = p.sysData.preferredSize()
return
return p.sysData.preferredSize()
}

14
stack.go
View File

@ -91,10 +91,7 @@ func (s *Stack) setRect(x int, y int, width int, height int, winheight int) erro
nStretchy++
continue
}
w, h, err := c.preferredSize()
if err != nil {
return fmt.Errorf("error getting preferred size of control %d in Stack.setRect(): %v", i, err)
}
w, h := c.preferredSize()
if s.orientation == horizontal { // all controls have same height
s.width[i] = w
s.height[i] = height
@ -136,7 +133,7 @@ func (s *Stack) setRect(x int, y int, width int, height int, winheight int) erro
}
// The preferred size of a Stack is the sum of the preferred sizes of non-stretchy controls + (the number of stretchy controls * the largest preferred size among all stretchy controls).
func (s *Stack) preferredSize() (width int, height int, err error) {
func (s *Stack) preferredSize() (width int, height int) {
s.lock.Lock()
defer s.lock.Unlock()
@ -151,13 +148,10 @@ func (s *Stack) preferredSize() (width int, height int, err error) {
var maxswid, maxsht int
if len(s.controls) == 0 { // no controls, so return emptiness
return 0, 0, nil
return 0, 0
}
for i, c := range s.controls {
w, h, err := c.preferredSize()
if err != nil {
return 0, 0, fmt.Errorf("error getting preferred size of control %d in Stack.preferredSize(): %v", i, err)
}
w, h := c.preferredSize()
if s.stretchy[i] {
nStretchy++
maxswid = max(maxswid, w)