497 lines
18 KiB
C++
497 lines
18 KiB
C++
/*
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4coder_tutorial.cpp - Guided graphical tutorial system.
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*/
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// TOP
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global Tutorial_State tutorial = {};
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CUSTOM_COMMAND_SIG(kill_tutorial)
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CUSTOM_DOC("If there is an active tutorial, kill it.")
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{
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if (!tutorial.in_tutorial){
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return;
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}
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tutorial.in_tutorial = false;
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view_close(app, tutorial.view);
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}
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function void
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tutorial_activate(Application_Links *app){
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if (!tutorial.in_tutorial){
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return;
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}
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Panel_ID panel = view_get_panel(app, tutorial.view);
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Panel_ID parent = panel_get_parent(app, panel);
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panel_set_split(app, parent, PanelSplitKind_Ratio_Min, 0.5f);
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tutorial.is_active = true;
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}
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function void
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tutorial_deactivate(Application_Links *app){
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if (!tutorial.in_tutorial){
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return;
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}
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Face_ID face = get_face_id(app, 0);
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Face_Metrics metrics = get_face_metrics(app, face);
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f32 line_height = metrics.line_height;
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Panel_ID panel = view_get_panel(app, tutorial.view);
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Panel_ID parent = panel_get_parent(app, panel);
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panel_set_split(app, parent, PanelSplitKind_FixedPixels_Min, line_height*4.f);
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tutorial.is_active = false;
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}
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function void
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tutorial_action(Application_Links *app, Tutorial_Action action){
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switch (action){
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case TutorialAction_Prev:
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{
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tutorial.slide_index -= 1;
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}break;
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case TutorialAction_Next:
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{
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tutorial.slide_index += 1;
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}break;
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case TutorialAction_Exit:
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{
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kill_tutorial(app);
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}break;
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case TutorialAction_Restart:
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{
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tutorial.slide_index = 0;
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}break;
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}
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}
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function void
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tutorial_init_title_face(Application_Links *app){
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if (tutorial.face == 0){
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Face_ID face = get_face_id(app, 0);
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Face_Description face_description = get_face_description(app, face);
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face_description.parameters.pt_size *= 2;
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tutorial.face = try_create_new_face(app, &face_description);
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if (tutorial.face == 0){
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tutorial.face = face;
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}
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}
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}
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function void
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default_4coder_tutorial_render(Application_Links *app, Frame_Info frame_info, View_ID view_id){
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Face_ID face = get_face_id(app, 0);
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tutorial_init_title_face(app);
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Face_Metrics metrics = get_face_metrics(app, face);
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Face_Metrics tut_metrics = get_face_metrics(app, tutorial.face);
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////////
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Scratch_Block scratch(app);
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tutorial.slide_index = clamp(0, tutorial.slide_index, tutorial.slide_count - 1);
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Tutorial_Slide_Function *slide_func = tutorial.slide_func_ptrs[tutorial.slide_index];
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Tutorial_Slide slide = slide_func(app, scratch);
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////////
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f32 h0 = get_fancy_line_height(app, 0, &slide.short_details);
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f32 h1 = get_fancy_line_height(app, 0, slide.long_details.first);
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f32 title_height = max(h0, h1);
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////////
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View_ID active_view = get_active_view(app, Access_Always);
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b32 is_active_view = (active_view == view_id);
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FColor margin_color = get_margin_color(is_active_view?UIHighlight_Active:UIHighlight_None);
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Rect_f32 region = draw_background_and_margin(app, view_id, margin_color, margin_color);
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Rect_f32 prev_clip = draw_set_clip(app, region);
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f32 panel_y0 = region.y0 - 3.f;
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region = rect_inner(region, 3.f);
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draw_rectangle(app, region, 20.f, fcolor_id(Stag_Back));
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region = rect_inner(region, 10.f);
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Vec2_f32 title_p = V2f32(region.x0, panel_y0 + (metrics.line_height*2.f) - title_height*0.5f);
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if (is_active_view){
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if (!tutorial.is_active){
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view_enqueue_command_function(app, view_id, tutorial_activate);
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}
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}
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else{
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if (tutorial.is_active){
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view_enqueue_command_function(app, view_id, tutorial_deactivate);
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}
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}
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tutorial.hover_action = TutorialAction_None;
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if (tutorial.is_active){
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draw_fancy_block(app, 0, fcolor_zero(), &slide.long_details, title_p);
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// NOTE(allen): buttons
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Rect_f32_Pair footer_pair = rect_split_top_bottom_neg(region, metrics.line_height*2.f);
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Rect_f32 footer = footer_pair.max;
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footer.x0 += 10.f;
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footer.y0 -= 10.f;
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footer.y1 -= 10.f;
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f32 b_width = metrics.normal_advance*10.f;
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Mouse_State mouse = get_mouse_state(app);
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Vec2_f32 m_p = V2f32(mouse.p);
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{
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Rect_f32_Pair pair = rect_split_left_right(footer, b_width);
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footer = pair.max;
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footer.x0 += 10.f;
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if (tutorial.slide_index > 0){
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if (draw_button(app, pair.min, m_p, face, string_u8_litexpr("prev"))){
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tutorial.hover_action = TutorialAction_Prev;
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}
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}
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}
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{
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Rect_f32_Pair pair = rect_split_left_right(footer, b_width);
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footer = pair.max;
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footer.x0 += 10.f;
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if (tutorial.slide_index < tutorial.slide_count - 1){
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if (draw_button(app, pair.min, m_p, face, string_u8_litexpr("next"))){
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tutorial.hover_action = TutorialAction_Next;
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}
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}
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}
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{
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Rect_f32_Pair pair = rect_split_left_right(footer, b_width);
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footer = pair.max;
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footer.x0 += 10.f;
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Rect_f32 exit_box = pair.min;
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pair = rect_split_left_right(footer, b_width);
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Rect_f32 restart_box = pair.min;
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if (tutorial.slide_index == tutorial.slide_count - 1){
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if (draw_button(app, exit_box, m_p, face, string_u8_litexpr("exit"))){
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tutorial.hover_action = TutorialAction_Exit;
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}
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if (draw_button(app, restart_box, m_p, face, string_u8_litexpr("restart"))){
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tutorial.hover_action = TutorialAction_Restart;
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}
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}
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}
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}
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else{
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draw_fancy_line(app, 0, fcolor_zero(), &slide.short_details, title_p);
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}
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draw_set_clip(app, prev_clip);
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}
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function void
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default_4coder_tutorial_run(Application_Links *app)
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{
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View_ID view = get_this_ctx_view(app, Access_Always);
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View_Context ctx = view_current_context(app, view);
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ctx.render_caller = default_4coder_tutorial_render;
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ctx.hides_buffer = true;
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View_Context_Block ctx_block(app, view, &ctx);
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tutorial.in_tutorial = true;
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tutorial.view = view;
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for (;;){
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User_Input in = get_next_input(app, EventPropertyGroup_Any, 0);
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if (in.abort){
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break;
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}
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b32 handled = true;
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switch (in.event.kind){
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case InputEventKind_MouseButton:
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{
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if (in.event.mouse.code == MouseCode_Left){
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tutorial.depressed_action = tutorial.hover_action;
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}
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}break;
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case InputEventKind_MouseButtonRelease:
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{
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if (in.event.mouse.code == MouseCode_Left){
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if (tutorial.depressed_action == tutorial.hover_action){
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tutorial_action(app, tutorial.depressed_action);
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}
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}
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}break;
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case InputEventKind_Core:
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{
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switch (in.event.core.code){
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case CoreCode_ClickActivateView:
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{
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tutorial_activate(app);
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}break;
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case CoreCode_ClickDeactivateView:
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{
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tutorial_deactivate(app);
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}break;
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default:
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{
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handled = false;
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}break;
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}
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}break;
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default:
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{
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handled = false;
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}break;
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}
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if (!handled){
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Mapping *mapping = ctx.mapping;
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Command_Map *map = mapping_get_map(mapping, ctx.map_id);
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Fallback_Dispatch_Result disp_result =
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fallback_command_dispatch(app, mapping, map, &in);
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if (disp_result.code == FallbackDispatch_DelayedUICall){
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call_after_ctx_shutdown(app, view, disp_result.func);
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break;
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}
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if (disp_result.code == FallbackDispatch_Unhandled){
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leave_current_input_unhandled(app);
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}
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}
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}
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tutorial.in_tutorial = false;
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}
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global String_Const_u8 hms_title = string_u8_litexpr("Handmade Seattle Demo");
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function void
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default_4coder_tutorial_short_details(Application_Links *app, Arena *arena, Fancy_Line *short_details){
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Face_ID face = get_face_id(app, 0);
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push_fancy_string(arena, short_details, tutorial.face, fcolor_id(Stag_Pop1), hms_title);
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push_fancy_string(arena, short_details, face, fcolor_id(Stag_Default), 8.f, 8.f, string_u8_litexpr("Welcome to Handmade Seattle and to this 4coder demo!"));
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push_fancy_string(arena, short_details, face, fcolor_id(Stag_Pop2), string_u8_litexpr("Click here to see more."));
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}
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function void
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default_4coder_tutorial_long_start(Application_Links *app, Arena *arena, Fancy_Block *long_details){
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Fancy_Line *line = push_fancy_line(arena, long_details, tutorial.face, fcolor_id(Stag_Pop1), hms_title);
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Face_ID face = get_face_id(app, 0);
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//
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line = push_fancy_line(arena, long_details, face, fcolor_id(Stag_Default));
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#define M "If there are any features you'd like to know about or try out, "
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push_fancy_string(arena, line, string_u8_litexpr(M));
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#undef M
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push_fancy_string(arena, line, fcolor_id(Stag_Keyword), string_u8_litexpr("ask!"));
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//
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push_fancy_line(arena, long_details, face, fcolor_id(Stag_Pop1), string_u8_litexpr(""));
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}
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function Tutorial_Slide
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default_4coder_tutorial_slide_1(Application_Links *app, Arena *arena){
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Tutorial_Slide result = {};
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Face_ID face = get_face_id(app, 0);
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tutorial_init_title_face(app);
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default_4coder_tutorial_short_details(app, arena, &result.short_details);
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Fancy_Block *long_details = &result.long_details;
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default_4coder_tutorial_long_start(app, arena, long_details);
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Fancy_Line *line = 0;
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//
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push_fancy_line(arena, long_details, face, fcolor_id(Stag_Keyword), string_u8_litexpr("Let's start with a few navigation commands:"));
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//
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line = push_fancy_line(arena, long_details, face, fcolor_id(Stag_Default));
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push_fancy_stringf(arena, line, fcolor_id(Stag_Pop2),
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"%40s ", "<Control Comma>");
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push_fancy_stringf(arena, line, "change active panel");
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//
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line = push_fancy_line(arena, long_details, face, fcolor_id(Stag_Default));
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push_fancy_stringf(arena, line, fcolor_id(Stag_Pop2),
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"%40s ", "<*AnyArrow*>");
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push_fancy_stringf(arena, line, "move cursor one character or line");
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//
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line = push_fancy_line(arena, long_details, face, fcolor_id(Stag_Default));
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push_fancy_stringf(arena, line, fcolor_id(Stag_Pop2),
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"%40s ", "<Control *AnyArrow*>");
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push_fancy_stringf(arena, line, "move cursor by 'chunks'");
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//
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line = push_fancy_line(arena, long_details, face, fcolor_id(Stag_Default));
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push_fancy_stringf(arena, line, fcolor_id(Stag_Pop2),
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"%40s ", "<Home>, <End>");
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push_fancy_stringf(arena, line, "move cursor to the first/last character of the line");
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//
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line = push_fancy_line(arena, long_details, face, fcolor_id(Stag_Default));
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push_fancy_stringf(arena, line, fcolor_id(Stag_Pop2),
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"%40s ", "<PageUp>, <PageDown>");
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push_fancy_stringf(arena, line, "move cursor by full pages up/down");
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//
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push_fancy_line(arena, long_details, face, fcolor_id(Stag_Keyword), string_u8_litexpr("Available in code files:"));
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//
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line = push_fancy_line(arena, long_details, face, fcolor_id(Stag_Default));
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push_fancy_stringf(arena, line, fcolor_id(Stag_Pop2),
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"%40s ", "<Alt OpenBracket>");
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push_fancy_stringf(arena, line, "move cursor and mark to surrounding scope");
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//
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line = push_fancy_line(arena, long_details, face, fcolor_id(Stag_Default));
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push_fancy_stringf(arena, line, fcolor_id(Stag_Pop2),
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"%40s ", "<Alt CloseBracket>");
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push_fancy_stringf(arena, line, "move cursor and mark to previous scope");
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//
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line = push_fancy_line(arena, long_details, face, fcolor_id(Stag_Default));
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push_fancy_stringf(arena, line, fcolor_id(Stag_Pop2),
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"%40s ", "<Alt SingleQuote>");
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push_fancy_stringf(arena, line, "move cursor and mark to next scope");
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//
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line = push_fancy_line(arena, long_details, face, fcolor_id(Stag_Default));
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push_fancy_stringf(arena, line, fcolor_id(Stag_Pop2),
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"%40s ", "<Alt Shift CloseBracket>");
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push_fancy_stringf(arena, line, "move cursor and mark to previous top-level scope");
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//
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line = push_fancy_line(arena, long_details, face, fcolor_id(Stag_Default));
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push_fancy_stringf(arena, line, fcolor_id(Stag_Pop2),
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"%40s ", "<Alt Shift SingleQuote>");
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push_fancy_stringf(arena, line, "move cursor and mark to next top-level scope");
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return(result);
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}
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function Tutorial_Slide
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default_4coder_tutorial_slide_2(Application_Links *app, Arena *arena){
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Tutorial_Slide result = {};
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Face_ID face = get_face_id(app, 0);
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tutorial_init_title_face(app);
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default_4coder_tutorial_short_details(app, arena, &result.short_details);
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Fancy_Block *long_details = &result.long_details;
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default_4coder_tutorial_long_start(app, arena, long_details);
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Fancy_Line *line = 0;
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//
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push_fancy_line(arena, long_details, face, fcolor_id(Stag_Keyword), string_u8_litexpr("4coder's default editing paradigm is emacs-like but with some differences:"));
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//
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line = push_fancy_line(arena, long_details, face, fcolor_id(Stag_Default));
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push_fancy_stringf(arena, line, fcolor_id(Stag_Pop2),
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"%40s ", "<TextInsert>");
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push_fancy_stringf(arena, line, "non-modal text insertion works in any user-writable buffers at the cursor");
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//
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line = push_fancy_line(arena, long_details, face, fcolor_id(Stag_Default));
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push_fancy_stringf(arena, line, fcolor_id(Stag_Pop2),
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"%40s ", "<Backspace>/<Delete>");
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push_fancy_stringf(arena, line, "delete the previous/next character from the cursor");
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//
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line = push_fancy_line(arena, long_details, face, fcolor_id(Stag_Default));
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push_fancy_stringf(arena, line, fcolor_id(Stag_Pop2),
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"%40s ", "<Control Space>");
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push_fancy_stringf(arena, line, "moves the mark to the cursor cursor");
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//
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line = push_fancy_line(arena, long_details, face, fcolor_id(Stag_Default));
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push_fancy_stringf(arena, line, fcolor_id(Stag_Pop2),
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"%40s ", "<Control D>");
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push_fancy_stringf(arena, line, "delete the cursor to mark range");
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//
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line = push_fancy_line(arena, long_details, face, fcolor_id(Stag_Default));
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push_fancy_stringf(arena, line, fcolor_id(Stag_Pop2),
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"%40s ", "<Control C>");
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push_fancy_stringf(arena, line, "copy the cursor to mark range to the clipboard");
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//
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line = push_fancy_line(arena, long_details, face, fcolor_id(Stag_Default));
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push_fancy_stringf(arena, line, fcolor_id(Stag_Pop2),
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"%40s ", "<Control X>");
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push_fancy_stringf(arena, line, "cut the cursor to mark range to the clipboard");
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//
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line = push_fancy_line(arena, long_details, face, fcolor_id(Stag_Default));
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push_fancy_stringf(arena, line, fcolor_id(Stag_Pop2),
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"%40s ", "<Control V>");
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push_fancy_stringf(arena, line, "paste the clipboard to the buffer");
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//
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line = push_fancy_line(arena, long_details, face, fcolor_id(Stag_Default));
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push_fancy_stringf(arena, line, fcolor_id(Stag_Pop2),
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"%40s ", "<Control Shift V>");
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push_fancy_stringf(arena, line, "paste the clipboard to the buffer cycling through the clipboard's 'clips'");
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//
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line = push_fancy_line(arena, long_details, face, fcolor_id(Stag_Default));
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push_fancy_stringf(arena, line, fcolor_id(Stag_Pop2),
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"%40s ", "<Control Z>");
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push_fancy_stringf(arena, line, "undo the last edit");
|
|
|
|
//
|
|
line = push_fancy_line(arena, long_details, face, fcolor_id(Stag_Default));
|
|
push_fancy_stringf(arena, line, fcolor_id(Stag_Pop2),
|
|
"%40s ", "<Control Y>");
|
|
push_fancy_stringf(arena, line, "redo the last undone edit");
|
|
|
|
|
|
return(result);
|
|
}
|
|
|
|
CUSTOM_COMMAND_SIG(default_4coder_tutorial)
|
|
CUSTOM_DOC("Tutorial for built in 4coder bindings and features.")
|
|
{
|
|
kill_tutorial(app);
|
|
|
|
Panel_ID root_panel = panel_get_root(app);
|
|
if (panel_split(app, root_panel, Dimension_Y)){
|
|
panel_swap_children(app, root_panel);
|
|
Panel_ID tutorial_panel = panel_get_child(app, root_panel, Side_Min);
|
|
tutorial.view = panel_get_view(app, tutorial_panel, Access_Always);
|
|
view_set_passive(app, tutorial.view, true);
|
|
tutorial_activate(app);
|
|
|
|
local_persist Tutorial_Slide_Function *slides[] = {
|
|
default_4coder_tutorial_slide_1,
|
|
default_4coder_tutorial_slide_2,
|
|
};
|
|
tutorial.slide_index = 0;
|
|
tutorial.slide_func_ptrs = slides;
|
|
tutorial.slide_count = ArrayCount(slides);
|
|
|
|
view_enqueue_command_function(app, tutorial.view, default_4coder_tutorial_run);
|
|
}
|
|
}
|
|
|
|
// BOTTOM
|
|
|