76 lines
3.4 KiB
Zig
76 lines
3.4 KiB
Zig
const tp = @import("thespian");
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const key = @import("renderer").input.key;
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const mod = @import("renderer").input.modifier;
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const event_type = @import("renderer").input.event_type;
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const command = @import("command");
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const EventHandler = @import("EventHandler");
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pub fn create(_: @import("std").mem.Allocator, _: anytype) !EventHandler {
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return EventHandler.static(@This());
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}
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pub fn receive(_: tp.pid_ref, m: tp.message) error{Exit}!bool {
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var evtype: u32 = undefined;
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var keypress: u32 = undefined;
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var egc: u32 = undefined;
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var modifiers: u32 = undefined;
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if (try m.match(.{ "I", tp.extract(&evtype), tp.extract(&keypress), tp.extract(&egc), tp.string, tp.extract(&modifiers) })) {
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mapEvent(evtype, keypress, egc, modifiers) catch |e| return tp.exit_error(e, @errorReturnTrace());
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}
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return false;
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}
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fn mapEvent(evtype: u32, keypress: u32, egc: u32, modifiers: u32) !void {
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switch (evtype) {
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event_type.PRESS => try mapPress(keypress, egc, modifiers),
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event_type.REPEAT => try mapPress(keypress, egc, modifiers),
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else => {},
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}
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}
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fn mapPress(keypress: u32, egc: u32, modifiers: u32) !void {
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const keynormal = if ('a' <= keypress and keypress <= 'z') keypress - ('a' - 'A') else keypress;
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return switch (modifiers) {
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mod.CTRL => switch (keynormal) {
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'Q' => command.executeName("quit", .{}),
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'V' => command.executeName("system_paste", .{}),
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'U' => command.executeName("mini_mode_reset", .{}),
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'G' => command.executeName("mini_mode_cancel", .{}),
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'C' => command.executeName("mini_mode_cancel", .{}),
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'L' => command.executeName("scroll_view_center", .{}),
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'I' => command.executeName("mini_mode_insert_bytes", command.fmt(.{"\t"})),
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key.SPACE => command.executeName("mini_mode_cancel", .{}),
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key.BACKSPACE => command.executeName("mini_mode_delete_to_previous_path_segment", .{}),
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else => {},
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},
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mod.ALT => switch (keynormal) {
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'V' => command.executeName("system_paste", .{}),
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else => {},
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},
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mod.ALT | mod.SHIFT => switch (keynormal) {
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'V' => command.executeName("system_paste", .{}),
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else => {},
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},
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mod.SHIFT => switch (keypress) {
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key.TAB => command.executeName("mini_mode_reverse_complete_file", .{}),
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else => if (!key.synthesized_p(keypress))
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command.executeName("mini_mode_insert_code_point", command.fmt(.{egc}))
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else {},
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},
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0 => switch (keypress) {
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key.UP => command.executeName("mini_mode_reverse_complete_file", .{}),
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key.DOWN => command.executeName("mini_mode_try_complete_file", .{}),
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key.RIGHT => command.executeName("mini_mode_try_complete_file_forward", .{}),
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key.LEFT => command.executeName("mini_mode_delete_to_previous_path_segment", .{}),
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key.TAB => command.executeName("mini_mode_try_complete_file", .{}),
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key.ESC => command.executeName("mini_mode_cancel", .{}),
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key.ENTER => command.executeName("mini_mode_select", .{}),
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key.BACKSPACE => command.executeName("mini_mode_delete_backwards", .{}),
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else => if (!key.synthesized_p(keypress))
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command.executeName("mini_mode_insert_code_point", command.fmt(.{egc}))
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else {},
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},
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else => {},
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};
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}
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