patrick
/
zooy
mirror of https://github.com/pcleavelin/zooy
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

add style stack

master
Patrick Cleavelin 2023-06-23 20:53:45 -05:00
parent 172b675c0c
commit 08b03d4266
3 changed files with 48 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
.gitignore vendored
View File

@ -1,2 +1,3 @@
zig-cache/
zig-out/
*.rdbg

37
src/lib.zig
View File

@ -5,16 +5,21 @@ const raylib = @import("raylib");
// TODO: don't just make these public
pub var box_allocator: std.mem.Allocator = undefined;
pub var root_box: ?*UI_Box = null;
pub var current_box: ?*UI_Box = null;
pub var current_style: std.ArrayList(UI_Style) = undefined;
pub var pushing_box: bool = false;
pub var popping_box: bool = false;
pub var mouse_x: i32 = 0;
pub var mouse_y: i32 = 0;
pub var mouse_released: bool = false;
pub const UI_Flags = packed struct(u4) {
pub const UI_Flags = packed struct(u5) {
clickable: bool = false,
hoverable: bool = false,
drawText: bool = false,
drawBorder: bool = false,
drawBackground: bool = false,
@ -27,7 +32,10 @@ pub const UI_Direction = enum {
bottomToTop,
};
pub const UI_Layout = enum {};
pub const UI_Style = struct {
// TODO: don't couple to raylib
hover_color: raylib.Color,
};
pub const Vec2 = struct {
x: f32,
@ -49,6 +57,7 @@ pub const UI_Box = struct {
/// the assigned features
flags: UI_Flags,
direction: UI_Direction,
style: UI_Style,
/// the label?
label: [:0]const u8,
@ -96,8 +105,12 @@ fn CountSiblings(box: *UI_Box) u32 {
return count;
}
fn TestBoxHover(box: *UI_Box) bool {
return @intToFloat(f32, mouse_x) >= box.computed_pos.x and @intToFloat(f32, mouse_x) <= box.computed_pos.x + box.computed_size.x and @intToFloat(f32, mouse_y) >= box.computed_pos.y and @intToFloat(f32, mouse_y) <= box.computed_pos.y + box.computed_size.y;
}
fn TestBoxClick(box: *UI_Box) bool {
return mouse_released and @intToFloat(f32, mouse_x) >= box.computed_pos.x and @intToFloat(f32, mouse_x) <= box.computed_pos.x + box.computed_size.x and @intToFloat(f32, mouse_y) >= box.computed_pos.y and @intToFloat(f32, mouse_y) <= box.computed_pos.y + box.computed_size.y;
return mouse_released and TestBoxHover(box);
}
pub fn DeleteBoxChildren(box: *UI_Box, should_destroy: bool) void {
@ -143,6 +156,7 @@ pub fn MakeBox(label: [:0]const u8, flags: UI_Flags, direction: UI_Direction) an
.label = label,
.flags = flags,
.direction = direction,
.style = current_style.getLast(),
.first = null,
.last = null,
@ -166,6 +180,7 @@ pub fn MakeBox(label: [:0]const u8, flags: UI_Flags, direction: UI_Direction) an
.label = label,
.flags = flags,
.direction = direction,
.style = current_style.getLast(),
.first = null,
.last = null,
@ -189,6 +204,7 @@ pub fn MakeBox(label: [:0]const u8, flags: UI_Flags, direction: UI_Direction) an
.label = label,
.flags = flags,
.direction = direction,
.style = current_style.getLast(),
.first = null,
.last = null,
@ -248,6 +264,7 @@ pub fn PushBox(label: [:0]const u8, flags: UI_Flags, direction: UI_Direction) an
.label = label,
.flags = flags,
.direction = direction,
.style = current_style.getLast(),
.first = null,
.last = null,
@ -270,6 +287,7 @@ pub fn PushBox(label: [:0]const u8, flags: UI_Flags, direction: UI_Direction) an
.label = label,
.flags = flags,
.direction = direction,
.style = current_style.getLast(),
.first = null,
.last = null,
@ -318,9 +336,18 @@ pub fn PopBox() void {
//std.debug.print("couldn't pop box\n", .{});
}
pub fn PushStyle(style: UI_Style) !void {
try current_style.append(style);
}
pub fn PopStyle() void {
_ = current_style.popOrNull();
}
pub fn MakeButton(label: [:0]const u8) !bool {
return try MakeBox(label, .{
.clickable = true,
.hoverable = true,
.drawText = true,
.drawBorder = true,
.drawBackground = true,
@ -395,7 +422,9 @@ pub fn DrawUI(box: *UI_Box, parent: ?*UI_Box, my_index: u32, num_siblings: u32,
}
if (box.flags.drawBackground) {
raylib.DrawRectangle(@floatToInt(i32, box.computed_pos.x), @floatToInt(i32, box.computed_pos.y), @floatToInt(i32, box.computed_size.x), @floatToInt(i32, box.computed_size.y), raylib.DARKGRAY);
const color = if (TestBoxHover(box)) box.style.hover_color else raylib.DARKGRAY;
raylib.DrawRectangle(@floatToInt(i32, box.computed_pos.x), @floatToInt(i32, box.computed_pos.y), @floatToInt(i32, box.computed_size.x), @floatToInt(i32, box.computed_size.y), color);
}
if (box.flags.drawBorder) {
raylib.DrawRectangleLines(@floatToInt(i32, box.computed_pos.x), @floatToInt(i32, box.computed_pos.y), @floatToInt(i32, box.computed_size.x), @floatToInt(i32, box.computed_size.y), raylib.BLUE);

16
src/main.zig
View File

@ -12,6 +12,9 @@ pub fn main() !void {
var gpa = std.heap.GeneralPurposeAllocator(.{}){};
ui.box_allocator = gpa.allocator();
ui.current_style = @TypeOf(ui.current_style).init(ui.box_allocator);
try ui.current_style.append(.{ .hover_color = raylib.WHITE });
_ = try ui.PushBox("RootContainer", .{}, .leftToRight);
ui.root_box = ui.current_box;
@ -23,6 +26,8 @@ pub fn main() !void {
ui.current_box = ui.root_box;
ui.pushing_box = false;
ui.popping_box = false;
ui.current_style.clearRetainingCapacity();
try ui.current_style.append(.{ .hover_color = raylib.WHITE });
ui.mouse_x = raylib.GetMouseX();
ui.mouse_y = raylib.GetMouseY();
@ -55,10 +60,16 @@ pub fn main() !void {
_ = try ui.MakeLabel("This is some text");
for (0..20) |_| {
_ = try ui.MakeLabel("So is this");
{
try ui.PushStyle(.{ .hover_color = raylib.SKYBLUE });
defer ui.PopStyle();
for (0..20) |_| {
_ = try ui.MakeButton("So is this");
}
}
try ui.PushStyle(.{ .hover_color = raylib.GREEN });
if (show_buttons) {
if (try ui.MakeButton("Remove Buttons")) {
show_buttons = false;
@ -68,6 +79,7 @@ pub fn main() !void {
show_buttons = true;
}
}
ui.PopStyle();
}
if (ui.root_box) |box| {