func CreateWindow(title string, width int, height int) unsafe.Pointer {
Logger.Println("CreateWindow")
// Create window.
window := C.gtk_window_new(C.GTK_WINDOW_TOPLEVEL)
// Default size.
C.gtk_window_set_default_size(C.ToGtkWindow(window),
C.gint(width), C.gint(height))
// Center.
C.gtk_window_set_position(C.ToGtkWindow(window), C.GTK_WIN_POS_CENTER)
// Title.
csTitle := C.CString(title)
defer C.free(unsafe.Pointer(csTitle))
C.gtk_window_set_title(C.ToGtkWindow(window), (*C.gchar)(csTitle))
// TODO: focus
// g_signal_connect(window, "focus", G_CALLBACK(&HandleFocus), NULL);
// CEF requires a container. Embedding browser in a top
// level window fails.
vbox := C.gtk_vbox_new(0, 0)
C.gtk_container_add(C.ToGtkContainer(window), vbox)
// Show.
C.gtk_widget_show_all(window)
return unsafe.Pointer(vbox)
}
func (a *area) OpenTextFieldAt(x, y int) {
if x < 0 || x >= a.width || y < 0 || y >= a.height {
panic(fmt.Errorf("point (%d,%d) outside Area in Area.OpenTextFieldAt()", x, y))
}
a.textfieldx = x
a.textfieldy = y
a.inmenu = false // to start
// we disabled this for the initial Area show; we don't need to anymore
C.gtk_widget_set_no_show_all(a.textfieldw, C.FALSE)
C.gtk_widget_show_all(a.textfieldw)
C.gtk_widget_grab_focus(a.textfieldw)
}
func (w *window) openFile(f func(filename string)) {
widget := C.newOpenFileDialog(w.window)
window := (*C.GtkWindow)(unsafe.Pointer(widget))
dialog := (*C.GtkDialog)(unsafe.Pointer(widget))
fc := (*C.GtkFileChooser)(unsafe.Pointer(widget))
C.gtk_file_chooser_set_local_only(fc, C.FALSE)
C.gtk_file_chooser_set_select_multiple(fc, C.FALSE)
C.gtk_file_chooser_set_show_hidden(fc, C.TRUE)
C.gtk_window_set_modal(window, C.TRUE)
g_signal_connect(
C.gpointer(unsafe.Pointer(dialog)),
"response",
C.GCallback(C.our_openfile_response_callback),
C.gpointer(unsafe.Pointer(&f)))
C.gtk_widget_show_all(widget)
}
func (w *window) openFile(f func(filename string)) {
widget := C.newOpenFileDialog(w.window)
window := (*C.GtkWindow)(unsafe.Pointer(widget))
dialog := (*C.GtkDialog)(unsafe.Pointer(widget))
fc := (*C.GtkFileChooser)(unsafe.Pointer(widget))
// non-local filenames are relevant mainly to GIO where we can open *anything*, not to Go os.File; see https://twitter.com/braket/status/506142849654870016
C.gtk_file_chooser_set_local_only(fc, C.TRUE)
C.gtk_file_chooser_set_select_multiple(fc, C.FALSE)
C.gtk_file_chooser_set_show_hidden(fc, C.TRUE)
C.gtk_window_set_modal(window, C.TRUE)
g_signal_connect(
C.gpointer(unsafe.Pointer(dialog)),
"response",
C.GCallback(C.our_openfile_response_callback),
C.gpointer(unsafe.Pointer(&f)))
C.gtk_widget_show_all(widget)
}
func (d *dialog) run(mk func() *C.GtkWidget) {
d.prepare()
box := mk()
if d.parent == dialogWindow {
go func() {
res := make(chan C.gint)
defer close(res)
uitask <- func() {
r := C.gtk_dialog_run((*C.GtkDialog)(unsafe.Pointer(box)))
d.cleanup(box)
res <- r
}
d.send(<-res)
}()
return
}
// otherwise just connect the delete signal
g_signal_connect_pointer(box, "response", dialog_response_callback, unsafe.Pointer(d))
C.gtk_widget_show_all(box)
}
func NewView() *View {
widget := C.webkit_web_view_new()
view := &View{
Widget: widget,
View: (*C.WebKitWebView)(unsafe.Pointer(widget)),
}
// ready to show
connect(view.View, "ready-to-show", func() {
C.gtk_widget_show_all(view.Widget)
})
// page load state changed
connect(view.View, "load-changed", func(_, ev interface{}) {
p("load changed %d\n", ev.(int))
})
// context
context := C.webkit_web_view_get_context(view.View)
C.webkit_web_context_set_spell_checking_enabled(context, C.gtk_false())
C.webkit_web_context_set_tls_errors_policy(context, C.WEBKIT_TLS_ERRORS_POLICY_IGNORE)
C.webkit_web_context_set_disk_cache_directory(context, toGStr(os.TempDir()))
// settings
settings := C.webkit_web_view_get_settings(view.View)
C.webkit_settings_set_enable_java(settings, C.gtk_false())
C.webkit_settings_set_enable_tabs_to_links(settings, C.gtk_false())
C.webkit_settings_set_enable_dns_prefetching(settings, C.gtk_true())
C.webkit_settings_set_javascript_can_access_clipboard(settings, C.gtk_true())
C.webkit_settings_set_enable_site_specific_quirks(settings, C.gtk_true())
C.webkit_settings_set_enable_smooth_scrolling(settings, C.gtk_true())
// handle cookie
cookieManager := C.webkit_web_context_get_cookie_manager(context)
C.webkit_cookie_manager_set_persistent_storage(cookieManager, toGStr(cookieFilePath),
C.WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT)
return view
}
func gtk_widget_show(widget *C.GtkWidget) {
C.gtk_widget_show_all(widget)
}
func FromLua(code string) map[string]unsafe.Pointer {
lua := lgo.NewLua()
bindings := make(map[string]unsafe.Pointer)
processActorArgs := func(actor *C.ClutterActor, args map[interface{}]interface{}) unsafe.Pointer {
pointer := unsafe.Pointer(actor)
var minFilter, magFilter *C.ClutterScalingFilter
var scaleX C.gdouble = 1.0
var scaleY C.gdouble = 1.0
var translationX, translationY, translationZ C.gfloat
for k, v := range args {
switch key := k.(type) {
case string:
switch key {
case "id":
bindings[v.(string)] = pointer
case "bgcolor", "background_color":
C.clutter_actor_set_background_color(actor, NewColorFromString(v.(string)))
case "clip_rect":
clip := (*C.ClutterRect)(v.(unsafe.Pointer))
C.clutter_actor_set_clip(actor,
C.gfloat(clip.origin.x),
C.gfloat(clip.origin.y),
C.gfloat(clip.size.width),
C.gfloat(clip.size.height))
case "content":
C.clutter_actor_set_content(actor, (*C.ClutterContent)(v.(unsafe.Pointer)))
case "content_gravity":
switch v.(string) {
case "top-left":
C.clutter_actor_set_content_gravity(actor, C.CLUTTER_CONTENT_GRAVITY_TOP_LEFT)
case "top":
C.clutter_actor_set_content_gravity(actor, C.CLUTTER_CONTENT_GRAVITY_TOP)
case "top-right":
C.clutter_actor_set_content_gravity(actor, C.CLUTTER_CONTENT_GRAVITY_TOP_RIGHT)
case "left":
C.clutter_actor_set_content_gravity(actor, C.CLUTTER_CONTENT_GRAVITY_LEFT)
case "center":
C.clutter_actor_set_content_gravity(actor, C.CLUTTER_CONTENT_GRAVITY_CENTER)
case "right":
C.clutter_actor_set_content_gravity(actor, C.CLUTTER_CONTENT_GRAVITY_RIGHT)
case "bottom-left":
C.clutter_actor_set_content_gravity(actor, C.CLUTTER_CONTENT_GRAVITY_BOTTOM_LEFT)
case "bottom":
C.clutter_actor_set_content_gravity(actor, C.CLUTTER_CONTENT_GRAVITY_BOTTOM)
case "bottom-right":
C.clutter_actor_set_content_gravity(actor, C.CLUTTER_CONTENT_GRAVITY_BOTTOM_RIGHT)
case "resize-fill":
C.clutter_actor_set_content_gravity(actor, C.CLUTTER_CONTENT_GRAVITY_RESIZE_FILL)
case "resize-aspect":
C.clutter_actor_set_content_gravity(actor, C.CLUTTER_CONTENT_GRAVITY_RESIZE_ASPECT)
default:
log.Fatalf("unknown content gravity: %s", v.(string))
}
case "content_repeat":
switch v.(string) {
case "none":
C.clutter_actor_set_content_repeat(actor, C.CLUTTER_REPEAT_NONE)
case "x", "x-axis":
C.clutter_actor_set_content_repeat(actor, C.CLUTTER_REPEAT_X_AXIS)
case "y", "y-axis":
C.clutter_actor_set_content_repeat(actor, C.CLUTTER_REPEAT_Y_AXIS)
case "both":
C.clutter_actor_set_content_repeat(actor, C.CLUTTER_REPEAT_BOTH)
default:
log.Fatalf("unknown content repeat: %s", v.(string))
}
case "x", "fixed_x":
C.clutter_actor_set_x(actor, C.gfloat(v.(float64)))
case "y", "fixed_y":
C.clutter_actor_set_y(actor, C.gfloat(v.(float64)))
case "height":
C.clutter_actor_set_height(actor, C.gfloat(v.(float64)))
case "layout", "layout_manager":
C.clutter_actor_set_layout_manager(actor, (*C.ClutterLayoutManager)(v.(unsafe.Pointer)))
case "mag_filter", "magnification_filter":
magFilter = (*C.ClutterScalingFilter)(v.(unsafe.Pointer))
C.clutter_actor_set_content_scaling_filters(actor, *minFilter, *magFilter)
case "margin_bottom":
C.clutter_actor_set_margin_bottom(actor, C.gfloat(v.(float64)))
case "margin_left":
C.clutter_actor_set_margin_left(actor, C.gfloat(v.(float64)))
case "margin_right":
C.clutter_actor_set_margin_right(actor, C.gfloat(v.(float64)))
case "margin_top":
C.clutter_actor_set_margin_top(actor, C.gfloat(v.(float64)))
//TODO min height
//TODO min width
case "min_filter", "minification_filter":
minFilter = (*C.ClutterScalingFilter)(v.(unsafe.Pointer))
C.clutter_actor_set_content_scaling_filters(actor, *minFilter, *magFilter)
case "name":
C.clutter_actor_set_name(actor, toGStr(v.(string)))
//TODO natural height
//TODO natural width
case "offscreen_redirect":
switch v.(string) {
case "auto", "automatic-for-opacity":
C.clutter_actor_set_offscreen_redirect(actor, C.CLUTTER_OFFSCREEN_REDIRECT_AUTOMATIC_FOR_OPACITY)
case "always":
C.clutter_actor_set_offscreen_redirect(actor, C.CLUTTER_OFFSCREEN_REDIRECT_ALWAYS)
default:
log.Fatalf("unknown offscreen redirect option: %s", v.(string))
}
case "opacity":
C.clutter_actor_set_opacity(actor, C.guint8(uint8(v.(float64))))
case "pivot_point":
point := (*C.ClutterPoint)(v.(unsafe.Pointer))
C.clutter_actor_set_pivot_point(actor, C.gfloat(point.x), C.gfloat(point.y))
case "pivot_point_z":
C.clutter_actor_set_pivot_point_z(actor, C.gfloat(v.(float64)))
case "position":
point := (*C.ClutterPoint)(v.(unsafe.Pointer))
C.clutter_actor_set_position(actor, C.gfloat(point.x), C.gfloat(point.y))
case "reactive":
b := C.FALSE
if v.(bool) {
b = C.TRUE
}
C.clutter_actor_set_reactive(actor, C.gboolean(b))
case "request_mode":
switch v.(string) {
case "height", "height_for_width":
C.clutter_actor_set_request_mode(actor, C.CLUTTER_REQUEST_HEIGHT_FOR_WIDTH)
case "width", "width_for_height":
C.clutter_actor_set_request_mode(actor, C.CLUTTER_REQUEST_WIDTH_FOR_HEIGHT)
default:
log.Fatalf("unknown request mode: %s", v.(string))
}
case "rotation_angle_x":
C.clutter_actor_set_rotation_angle(actor, C.CLUTTER_X_AXIS, C.gdouble(v.(float64)))
case "rotation_angle_y":
C.clutter_actor_set_rotation_angle(actor, C.CLUTTER_Y_AXIS, C.gdouble(v.(float64)))
case "rotation_angle_z":
C.clutter_actor_set_rotation_angle(actor, C.CLUTTER_Z_AXIS, C.gdouble(v.(float64)))
case "scale_x":
scaleX = C.gdouble(v.(float64))
C.clutter_actor_set_scale(actor, scaleX, scaleY)
case "scale_y":
scaleY = C.gdouble(v.(float64))
C.clutter_actor_set_scale(actor, scaleX, scaleY)
case "scale_z":
C.clutter_actor_set_scale_z(actor, C.gdouble(v.(float64)))
case "size":
size := (*C.ClutterSize)(v.(unsafe.Pointer))
C.clutter_actor_set_size(actor, C.gfloat(size.width), C.gfloat(size.height))
case "text_direction", "text_dir":
switch v.(string) {
case "default":
C.clutter_actor_set_text_direction(actor, C.CLUTTER_TEXT_DIRECTION_DEFAULT)
case "left", "left-to-right", "ltr":
C.clutter_actor_set_text_direction(actor, C.CLUTTER_TEXT_DIRECTION_LTR)
case "right", "right-to-left", "rtl":
C.clutter_actor_set_text_direction(actor, C.CLUTTER_TEXT_DIRECTION_RTL)
default:
log.Fatalf("unknown text direction: %s", v.(string))
}
//TODO transform
case "translation_x":
translationX = C.gfloat(v.(float64))
C.clutter_actor_set_translation(actor, translationX, translationY, translationZ)
case "translation_y":
translationY = C.gfloat(v.(float64))
C.clutter_actor_set_translation(actor, translationX, translationY, translationZ)
case "translation_z":
translationZ = C.gfloat(v.(float64))
C.clutter_actor_set_translation(actor, translationX, translationY, translationZ)
case "visible":
if v.(bool) {
C.clutter_actor_show(actor)
} else {
C.clutter_actor_hide(actor)
}
case "width":
C.clutter_actor_set_width(actor, C.gfloat(v.(float64)))
case "x_align":
switch v.(string) {
case "fill":
C.clutter_actor_set_x_align(actor, C.CLUTTER_ACTOR_ALIGN_FILL)
case "start":
C.clutter_actor_set_x_align(actor, C.CLUTTER_ACTOR_ALIGN_START)
case "center":
C.clutter_actor_set_x_align(actor, C.CLUTTER_ACTOR_ALIGN_CENTER)
case "end":
C.clutter_actor_set_x_align(actor, C.CLUTTER_ACTOR_ALIGN_END)
default:
log.Fatalf("unknown x align: %s", v.(string))
}
case "x_expand":
b := C.FALSE
if v.(bool) {
b = C.TRUE
}
C.clutter_actor_set_x_expand(actor, C.gboolean(b))
case "y_align":
switch v.(string) {
case "fill":
C.clutter_actor_set_y_align(actor, C.CLUTTER_ACTOR_ALIGN_FILL)
case "start":
C.clutter_actor_set_y_align(actor, C.CLUTTER_ACTOR_ALIGN_START)
case "center":
C.clutter_actor_set_y_align(actor, C.CLUTTER_ACTOR_ALIGN_CENTER)
case "end":
C.clutter_actor_set_y_align(actor, C.CLUTTER_ACTOR_ALIGN_END)
default:
log.Fatalf("unknown y align: %s", v.(string))
}
case "y_expand":
b := C.FALSE
if v.(bool) {
b = C.TRUE
}
C.clutter_actor_set_y_expand(actor, C.gboolean(b))
case "z", "z_position":
C.clutter_actor_set_z_position(actor, C.gfloat(v.(float64)))
}
case float64:
switch value := v.(type) {
case unsafe.Pointer:
//TODO add tests
if IsActor(value) { // actor child
C.clutter_actor_add_child(actor, (*C.ClutterActor)(value))
} else if IsAction(value) { // action
C.clutter_actor_add_action(actor, (*C.ClutterAction)(value))
} else if IsConstraint(value) { // constraint
C.clutter_actor_add_constraint(actor, (*C.ClutterConstraint)(value))
} else if IsEffect(value) { // effect
C.clutter_actor_add_effect(actor, (*C.ClutterEffect)(value))
} else {
log.Fatalf("unknown subelement type")
}
}
}
}
return pointer
}
processBoxArgs := func(box *C.ClutterLayoutManager, args map[string]interface{}) {
//TODO
}
lua.RegisterFunctions(map[string]interface{}{
// actors
"Actor": func(args map[interface{}]interface{}) unsafe.Pointer {
actor := C.clutter_actor_new()
return processActorArgs(actor, args)
},
"Stage": func(args map[interface{}]interface{}) unsafe.Pointer {
window := C.gtk_window_new(C.GTK_WINDOW_TOPLEVEL)
embed := C.gtk_clutter_embed_new()
C.gtk_container_add((*C.GtkContainer)(unsafe.Pointer(window)), embed)
actor := C.gtk_clutter_embed_get_stage((*C.GtkClutterEmbed)(unsafe.Pointer(embed)))
C.clutter_actor_show(actor)
C.gtk_widget_show_all((*C.GtkWidget)(unsafe.Pointer(window)))
pointer := processActorArgs(actor, args)
stage := (*C.ClutterStage)(unsafe.Pointer(actor))
for k, v := range args {
//TODO other properties
switch key := k.(type) {
case string:
switch key {
case "title":
C.clutter_stage_set_title(stage, toGStr(v.(string)))
}
}
}
return pointer
},
"Text": func(args map[interface{}]interface{}) unsafe.Pointer {
actor := C.clutter_text_new()
pointer := processActorArgs(actor, args)
text := (*C.ClutterText)(unsafe.Pointer(actor))
for k, v := range args {
//TODO other properties
switch key := k.(type) {
case string:
switch key {
case "text":
C.clutter_text_set_text(text, toGStr(v.(string)))
case "use_markup":
b := C.FALSE
if v.(bool) {
b = C.TRUE
}
C.clutter_text_set_use_markup(text, C.gboolean(b))
case "markup":
C.clutter_text_set_markup(text, toGStr(v.(string)))
case "color":
C.clutter_text_set_color(text, NewColorFromString(v.(string)))
}
case float64:
}
}
return pointer
},
// data structures
"Point": func(args []float64) unsafe.Pointer {
var point C.ClutterPoint
point.x = C.float(args[0])
point.y = C.float(args[1])
return unsafe.Pointer(&point)
},
"Size": func(args []float64) unsafe.Pointer {
var size C.ClutterSize
size.width = C.float(args[0])
size.height = C.float(args[1])
return unsafe.Pointer(&size)
},
"Rect": func(args []float64) unsafe.Pointer {
var rect C.ClutterRect
var point C.ClutterPoint
var size C.ClutterSize
point.x = C.float(args[0])
point.y = C.float(args[1])
size.width = C.float(args[2])
size.height = C.float(args[3])
rect.origin = point
rect.size = size
return unsafe.Pointer(&rect)
},
// contents
"Image": func(args []string) unsafe.Pointer {
//TODO set data
image := C.clutter_image_new()
return unsafe.Pointer(image)
},
// layouts
"Box": func(args map[string]interface{}) unsafe.Pointer {
box := C.clutter_box_layout_new()
processBoxArgs(box, args)
return unsafe.Pointer(box)
},
"HBox": func(args map[string]interface{}) unsafe.Pointer {
box := C.clutter_box_layout_new()
C.clutter_box_layout_set_orientation((*C.ClutterBoxLayout)(unsafe.Pointer(box)), C.CLUTTER_ORIENTATION_HORIZONTAL)
processBoxArgs(box, args)
return unsafe.Pointer(box)
},
"VBox": func(args map[string]interface{}) unsafe.Pointer {
box := C.clutter_box_layout_new()
C.clutter_box_layout_set_orientation((*C.ClutterBoxLayout)(unsafe.Pointer(box)), C.CLUTTER_ORIENTATION_VERTICAL)
processBoxArgs(box, args)
return unsafe.Pointer(box)
},
// effects
"Blur": func(args map[string]interface{}) unsafe.Pointer {
effect := C.clutter_blur_effect_new()
return unsafe.Pointer(effect)
},
// constraints
"Align": func(args map[string]interface{}) unsafe.Pointer {
constraint := C.clutter_align_constraint_new(nil, C.CLUTTER_ALIGN_X_AXIS, 0)
align := (*C.ClutterAlignConstraint)(unsafe.Pointer(constraint))
for key, v := range args {
switch key {
case "source":
C.clutter_align_constraint_set_source(align, (*C.ClutterActor)(bindings[v.(string)]))
case "axis":
switch v.(string) {
case "x", "X":
C.clutter_align_constraint_set_align_axis(align, C.CLUTTER_ALIGN_X_AXIS)
case "y", "Y":
C.clutter_align_constraint_set_align_axis(align, C.CLUTTER_ALIGN_Y_AXIS)
case "both", "BOTH", "Both":
C.clutter_align_constraint_set_align_axis(align, C.CLUTTER_ALIGN_BOTH)
}
case "factor":
C.clutter_align_constraint_set_factor(align, C.gfloat(v.(float64)))
}
}
return unsafe.Pointer(constraint)
},
})
lua.RunString(code)
return bindings
}
func basesetParent(c controlPrivate, p *controlParent) {
widget := c.widget() // avoid multiple interface lookups
C.gtk_container_add(p.c, widget)
// make sure the new widget is shown if not explicitly hidden
C.gtk_widget_show_all(widget)
}
// ShowAll is a wrapper around gtk_widget_show_all().
func (v *Widget) ShowAll() {
C.gtk_widget_show_all(v.native())
}
func (w *window) Show() {
C.gtk_widget_show_all(w.widget)
}
func main() {
// init gtk
var argc C.int
C.gtk_init(&argc, nil)
// root window
win := C.gtk_window_new(C.GTK_WINDOW_TOPLEVEL)
connect(win, "destroy", func() { // quit gtk when window is closed
C.gtk_main_quit()
})
// root grid
grid := C.gtk_grid_new()
C.gtk_container_add(asContainer(win), grid)
// webview container
pages := C.gtk_notebook_new()
C.gtk_grid_attach(asGrid(grid), pages, 0, 0, 1, 1)
C.gtk_widget_set_vexpand(pages, C.gtk_true())
C.gtk_widget_set_hexpand(pages, C.gtk_true())
C.gtk_notebook_set_tab_pos(asNotebook(pages), C.GTK_POS_LEFT)
// new view constructor
var newView func() *View
newView = func() *View {
view := NewView()
label := C.gtk_label_new(nil)
C.gtk_label_set_use_markup(asLabel(label), C.gtk_true())
C.gtk_misc_set_alignment(asMisc(label), 0, 0.5)
C.gtk_notebook_append_page(asNotebook(pages), view.Widget, label)
// new view is requested
connect(view.View, "create", func() *C.GtkWidget {
return newView().Widget
})
// set tab label to page title
connect(view.View, "notify::title", func() {
var title string
// trim long title
for _, r := range fromGStr(C.webkit_web_view_get_title(view.View)) {
if len(title) > 32 {
break
}
title += string(r)
}
C.gtk_label_set_markup(asLabel(label), toGStr(fmt.Sprintf(`<span font="10">%s</span>`, title)))
})
return view
}
// first view
view := newView()
C.webkit_web_view_load_uri(view.View, toGStr("http://www.bilibili.tv"))
// show window and run
C.gtk_widget_show_all(win)
C.gtk_main()
}
func (c *controlSingleWidget) xsetParent(p *controlParent) {
C.gtk_container_add(p.c, c.widget)
// make sure the new widget is shown if not explicitly hidden
// TODO why did I have this again?
C.gtk_widget_show_all(c.widget)
}
func (w *Window) ShowAll() {
C.gtk_widget_show_all(ToWidget(unsafe.Pointer(w.c)).c)
}
func gtk_widget_show_all(container GtkWidget) {
C.gtk_widget_show_all(Arg(container))
}
func (w *Widget) ShowAll() {
C.gtk_widget_show_all(w.g())
}
func (self *Widget) ShowAll() {
C.gtk_widget_show_all(self.object)
}
func (s *scroller) setParent(p *controlParent) {
C.gtk_container_add(p.c, s.addShowWhich)
// see basesetParent() above for why we call gtk_widget_show_all()
C.gtk_widget_show_all(s.addShowWhich)
}