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odin_editor
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separate input actions with modes

memory-refactor
Patrick Cleavelin 2025-01-04 17:28:56 -05:00
parent 73bb0035ec
commit be84eaba64
3 changed files with 48 additions and 51 deletions
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9
src/core/core.odin
View File

@ -1,6 +1,7 @@
package core
import "core:runtime"
import "core:reflect"
import "core:fmt"
import "vendor:sdl2"
import lua "vendor:lua/5.4"
@ -118,7 +119,13 @@ new_input_map :: proc() -> InputMap {
input_map := InputMap {
mode = make(map[Mode]InputActions),
}
input_map.mode[.Normal] = new_input_actions();
ti := runtime.type_info_base(type_info_of(Mode));
if v, ok := ti.variant.(runtime.Type_Info_Enum); ok {
for i in &v.values {
input_map.mode[(cast(^Mode)(&i))^] = new_input_actions();
}
}
return input_map;
}

2
src/core/file_buffer.odin
View File

@ -778,7 +778,7 @@ draw_file_buffer :: proc(state: ^State, buffer: ^FileBuffer, x: int, y: int, sho
cursor_y -= begin * state.source_font_height;
// draw cursor
if state.mode == .Normal {
if state.mode == .Normal || state.mode == .Visual {
draw_rect(state, cursor_x, cursor_y, state.source_font_width, state.source_font_height, .Background4);
} else if state.mode == .Insert {
draw_rect(state, cursor_x, cursor_y, state.source_font_width, state.source_font_height, .Green);

86
src/main.odin
View File

@ -84,18 +84,18 @@ do_visual_mode :: proc(state: ^State, buffer: ^FileBuffer) {
register_default_leader_actions :: proc(input_map: ^core.InputActions) {
core.register_key_action(input_map, .Q, proc(state: ^State) {
state.current_input_map = &state.input_map.mode[.Normal];
state.current_input_map = &state.input_map.mode[state.mode];
}, "close this help");
}
register_default_go_actions :: proc(input_map: ^core.InputActions) {
core.register_key_action(input_map, .H, proc(state: ^State) {
core.move_cursor_start_of_line(&state.buffers[state.current_buffer]);
state.current_input_map = &state.input_map.mode[.Normal];
state.current_input_map = &state.input_map.mode[state.mode];
}, "move to beginning of line");
core.register_key_action(input_map, .L, proc(state: ^State) {
core.move_cursor_end_of_line(&state.buffers[state.current_buffer]);
state.current_input_map = &state.input_map.mode[.Normal];
state.current_input_map = &state.input_map.mode[state.mode];
}, "move to end of line");
}
@ -153,30 +153,6 @@ register_default_input_actions :: proc(input_map: ^core.InputActions) {
}, "decrease font size");
}
// Inserting Text
{
core.register_key_action(input_map, .I, proc(state: ^State) {
state.mode = .Insert;
sdl2.StartTextInput();
}, "enter insert mode");
core.register_key_action(input_map, .A, proc(state: ^State) {
core.move_cursor_right(&state.buffers[state.current_buffer], false);
state.mode = .Insert;
sdl2.StartTextInput();
}, "enter insert mode after character (append)");
// TODO: add shift+o to insert newline above current one
core.register_key_action(input_map, .O, proc(state: ^State) {
core.move_cursor_end_of_line(&state.buffers[state.current_buffer], false);
core.insert_content(&state.buffers[state.current_buffer], []u8{'\n'});
core.move_cursor_down(&state.buffers[state.current_buffer]);
state.mode = .Insert;
sdl2.StartTextInput();
}, "insert mode on newline");
}
core.register_key_action(input_map, .SPACE, core.new_input_actions(), "leader commands");
register_default_leader_actions(&(&input_map.key_actions[.SPACE]).action.(core.InputActions));
@ -184,6 +160,29 @@ register_default_input_actions :: proc(input_map: ^core.InputActions) {
register_default_go_actions(&(&input_map.key_actions[.G]).action.(core.InputActions));
}
register_default_text_input_actions :: proc(input_map: ^core.InputActions) {
core.register_key_action(input_map, .I, proc(state: ^State) {
state.mode = .Insert;
sdl2.StartTextInput();
}, "enter insert mode");
core.register_key_action(input_map, .A, proc(state: ^State) {
core.move_cursor_right(&state.buffers[state.current_buffer], false);
state.mode = .Insert;
sdl2.StartTextInput();
}, "enter insert mode after character (append)");
// TODO: add shift+o to insert newline above current one
core.register_key_action(input_map, .O, proc(state: ^State) {
core.move_cursor_end_of_line(&state.buffers[state.current_buffer], false);
core.insert_content(&state.buffers[state.current_buffer], []u8{'\n'});
core.move_cursor_down(&state.buffers[state.current_buffer]);
state.mode = .Insert;
sdl2.StartTextInput();
}, "insert mode on newline");
}
load_plugin :: proc(info: os.File_Info, in_err: os.Errno, state: rawptr) -> (err: os.Errno, skip_dir: bool) {
state := cast(^State)state;
@ -229,7 +228,7 @@ draw :: proc(state_with_ui: ^StateWithUi) {
ui.compute_layout(state_with_ui.ui_context, { state_with_ui.state.screen_width, state_with_ui.state.screen_height }, state_with_ui.state.source_font_width, state_with_ui.state.source_font_height, state_with_ui.ui_context.root);
ui.draw(state_with_ui.ui_context, state_with_ui.state, state_with_ui.state.source_font_width, state_with_ui.state.source_font_height, state_with_ui.ui_context.root);
if state_with_ui.state.current_input_map != &state_with_ui.state.input_map.mode[.Normal] {
if state_with_ui.state.mode != .Insert && state_with_ui.state.current_input_map != &state_with_ui.state.input_map.mode[state_with_ui.state.mode] {
longest_description := 0;
for key, action in state_with_ui.state.current_input_map.key_actions {
if len(action.description) > longest_description {
@ -365,6 +364,7 @@ init_plugin_vtable :: proc(ui_context: ^ui.Context) -> plugin.Plugin {
to_be_edited_map = state.current_input_map;
}
// TODO: change this to use the given mode
if action, exists := to_be_edited_map.key_actions[key]; exists {
switch value in action.action {
case core.LuaEditorAction:
@ -958,6 +958,13 @@ main :: proc() {
state.current_input_map = &state.input_map.mode[.Normal];
register_default_input_actions(&state.input_map.mode[.Normal]);
register_default_input_actions(&state.input_map.mode[.Visual]);
core.register_key_action(&state.input_map.mode[.Normal], .V, proc(state: ^State) {
state.mode = .Visual;
state.current_input_map = &state.input_map.mode[.Visual];
}, "enter visual mode");
register_default_text_input_actions(&state.input_map.mode[.Normal]);
for arg in os.args[1:] {
buffer, err := core.new_file_buffer(context.allocator, arg, state.directory);
@ -1842,11 +1849,14 @@ main :: proc() {
}
switch state.mode {
case .Visual: fallthrough
case .Normal: {
if sdl_event.type == .KEYDOWN {
key := plugin.Key(sdl_event.key.keysym.sym);
if key == .ESCAPE {
core.request_window_close(&state);
state.mode = .Normal;
state.current_input_map = &state.input_map.mode[.Normal];
}
if key == .LCTRL {
@ -1985,26 +1995,6 @@ main :: proc() {
}
}
}
case .Visual: {
buffer: ^FileBuffer;
if state.window != nil && state.window.get_buffer != nil {
buffer = transmute(^core.FileBuffer)(state.window.get_buffer(state.plugin_vtable, state.window.user_data));
} else {
buffer = &state.buffers[state.current_buffer];
}
if sdl_event.type == .KEYDOWN {
key := plugin.Key(sdl_event.key.keysym.sym);
#partial switch key {
case .ESCAPE: {
state.mode = .Normal;
// TODO: visual mode
}
}
}
}
}
}
}