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Show pointer shapes in mouse_demo kitten

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This commit is contained in:
Kovid Goyal
2023-10-17 21:07:57 +05:30
parent ee8399ba56
commit 6804d16519
2 changed files with 93 additions and 0 deletions
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91
kittens/mouse_demo/main.go
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@@ -4,6 +4,7 @@ package mouse_demo
import (
"fmt"
"strconv"
"kitty/tools/tui/loop"
)
@@ -11,6 +12,48 @@ import (
var _ = fmt.Print
func Run(args []string) (rc int, err error) {
all_pointer_shapes := []loop.PointerShape{
// start all pointer shapes (auto generated by gen-key-constants.py do not edit)
loop.DEFAULT_POINTER,
loop.TEXT_POINTER,
loop.POINTER_POINTER,
loop.HELP_POINTER,
loop.WAIT_POINTER,
loop.PROGRESS_POINTER,
loop.CROSSHAIR_POINTER,
loop.CELL_POINTER,
loop.VERTICAL_TEXT_POINTER,
loop.MOVE_POINTER,
loop.E_RESIZE_POINTER,
loop.NE_RESIZE_POINTER,
loop.NW_RESIZE_POINTER,
loop.N_RESIZE_POINTER,
loop.SE_RESIZE_POINTER,
loop.SW_RESIZE_POINTER,
loop.S_RESIZE_POINTER,
loop.W_RESIZE_POINTER,
loop.EW_RESIZE_POINTER,
loop.NS_RESIZE_POINTER,
loop.NESW_RESIZE_POINTER,
loop.NWSE_RESIZE_POINTER,
loop.ZOOM_IN_POINTER,
loop.ZOOM_OUT_POINTER,
loop.ALIAS_POINTER,
loop.COPY_POINTER,
loop.NOT_ALLOWED_POINTER,
loop.NO_DROP_POINTER,
loop.GRAB_POINTER,
loop.GRABBING_POINTER,
// end all pointer shapes
}
all_pointer_shape_names := make([]string, len(all_pointer_shapes))
col_width := 0
for i, p := range all_pointer_shapes {
all_pointer_shape_names[i] = p.String()
col_width = max(col_width, len(all_pointer_shape_names[i]))
}
col_width += 1
lp, err := loop.New()
if err != nil {
return 1, err
@@ -21,6 +64,8 @@ func Run(args []string) (rc int, err error) {
draw_screen := func() {
lp.StartAtomicUpdate()
defer lp.EndAtomicUpdate()
lp.AllowLineWrapping(false)
defer lp.AllowLineWrapping(true)
if current_mouse_event == nil {
lp.Println(`Move the mouse or click to see mouse events`)
return
@@ -29,11 +74,57 @@ func Run(args []string) (rc int, err error) {
lp.Printf("Position: %d, %d (pixels)\r\n", current_mouse_event.Pixel.X, current_mouse_event.Pixel.Y)
lp.Printf("Cell : %d, %d\r\n", current_mouse_event.Cell.X, current_mouse_event.Cell.Y)
lp.Printf("Type : %s\r\n", current_mouse_event.Event_type)
y := 3
if current_mouse_event.Buttons != loop.NO_MOUSE_BUTTON {
lp.Println(current_mouse_event.Buttons.String())
y += 1
}
if mods := current_mouse_event.Mods.String(); mods != "" {
lp.Printf("Modifiers: %s\r\n", mods)
y += 1
}
lp.Println("Hover the mouse over the names below to see the shapes")
y += 1
sw := 80
sh := 24
if s, err := lp.ScreenSize(); err == nil {
sw = int(s.WidthCells)
sh = int(s.HeightCells)
}
num_cols := max(1, sw/col_width)
pos := 0
colfmt := "%-" + strconv.Itoa(col_width) + "s"
is_on_name := false
var ps loop.PointerShape
for y < sh && pos < len(all_pointer_shapes) {
is_row := y == current_mouse_event.Cell.Y
for c := 0; c < num_cols && pos < len(all_pointer_shapes); c++ {
name := all_pointer_shape_names[pos]
is_hovered := false
if is_row {
start_x := c * col_width
x := current_mouse_event.Cell.X
if x < start_x+len(name) && x >= start_x {
is_on_name = true
is_hovered = true
ps = all_pointer_shapes[pos]
}
}
if is_hovered {
lp.QueueWriteString("\x1b[31m")
}
lp.Printf(colfmt, name)
lp.QueueWriteString("\x1b[m")
pos++
}
y += 1
lp.Println()
}
lp.PopPointerShape()
if is_on_name {
lp.PushPointerShape(ps)
}
}