Added the beginning of the Unix (GTK+) implementation.

1 files changed, 168 insertions, 0 deletions

diff --git a/sysdata_unix.go b/sysdata_unix.go
new file mode 100644
index 0000000..363e3c8
--- /dev/null
+++ b/sysdata_unix.go
@@ -0,0 +1,168 @@
+// +build !windows,!darwin,!plan9
+
+// 16 february 2014
+//package ui
+package main
+
+import (
+	"fmt"
+)
+
+type sysData struct {
+	cSysData
+
+	widget		*gtkWidget
+	container		*gtkWidget	// for moving
+}
+
+type classData struct {
+	make	func() *gtkWidget
+	setText	func(widget *gtkWidget, text string)
+}
+
+var classTypes = [nctypes]*classData{
+	c_window:	&classData{
+		make:	gtk_window_new,
+		setText:	gtk_window_set_title,
+	},
+	c_button:		&classData{
+//		make:	gtk_button_new,
+	},
+	c_checkbox:	&classData{
+	},
+	c_combobox:	&classData{
+	},
+	c_lineedit:	&classData{
+	},
+	c_label:		&classData{
+	},
+	c_listbox:		&classData{
+	},
+}
+
+func (s *sysData) make(initText string, window *sysData) error {
+	ct := classTypes[s.ctype]
+	if ct.make == nil {		// not yet implemented
+		println(s.ctype, "not implemented")
+		return nil
+	}
+	ret := make(chan *gtkWidget)
+	defer close(ret)
+	uitask <- func() {
+		ret <- ct.make()
+	}
+	s.widget = <-ret
+println(s.widget)
+	if window == nil {
+		uitask <- func() {
+			fixed := gtk_fixed_new()
+			gtk_container_add(s.widget, fixed)
+			ret <- fixed
+		}
+		s.container = <-ret
+	} else {
+		s.container = window.container
+	}
+	err := s.setText(initText)
+	if err != nil {
+		return fmt.Errorf("error setting initial text of new window/control: %v", err)
+	}
+	return nil
+}
+
+func (s *sysData) show() error {
+	ret := make(chan struct{})
+	defer close(ret)
+	uitask <- func() {
+		gtk_widget_show(s.widget)
+		ret <- struct{}{}
+	}
+	<-ret
+	return nil
+}
+
+func (s *sysData) hide() error {
+	ret := make(chan struct{})
+	defer close(ret)
+	uitask <- func() {
+		gtk_widget_hide(s.widget)
+		ret <- struct{}{}
+	}
+	<-ret
+	return nil
+}
+
+func (s *sysData) setText(text string) error {
+if classTypes[s.ctype] == nil || classTypes[s.ctype].setText == nil { return nil }
+	ret := make(chan struct{})
+	defer close(ret)
+	uitask <- func() {
+		classTypes[s.ctype].setText(s.widget, text)
+		ret <- struct{}{}
+	}
+	<-ret
+	return nil
+}
+
+func (s *sysData) setRect(x int, y int, width int, height int) error {
+	ret := make(chan struct{})
+	defer close(ret)
+	uitask <- func() {
+		gtk_fixed_put(s.container, s.widget, x, y)
+		gtk_widget_set_size_request(s.widget, width, height)
+		ret <- struct{}{}
+	}
+	<-ret
+	return nil
+}
+
+func (s *sysData) isChecked() bool {
+	// TODO
+	return false
+}
+
+func (s *sysData) text() string {
+	// TODO
+	return ""
+}
+
+func (s *sysData) append(what string) error {
+	// TODO
+	return nil
+}
+
+func (s *sysData) insertBefore(what string, before int) error {
+	// TODO
+	return nil
+}
+
+func (s *sysData) selectedIndex() int {
+	// TODO
+	return -1
+}
+
+func (s *sysData) selectedIndices() []int {
+	// TODO
+	return nil
+}
+
+func (s *sysData) selectedTexts() []string {
+	// TODO
+	return nil
+}
+
+func (s *sysData) setWindowSize(width int, height int) error {
+	ret := make(chan struct{})
+	defer close(ret)
+	uitask <- func() {
+		gtk_window_resize(s.widget, width, height)
+		ret <- struct{}{}
+	}
+	<-ret
+	return nil
+}
+
+func (s *sysData) delete(index int) error {
+	// TODO
+	return nil
+}