4coder/custom/4coder_tutorial.cpp

334 lines
12 KiB
C++

/*
4coder_tutorial.cpp - Guided graphical tutorial system.
*/
// TOP
typedef i32 Tutorial_Action;
enum{
TutorialAction_None,
TutorialAction_Prev,
TutorialAction_Next,
};
global b32 in_tutorial = false;
global View_ID tutorial_view = 0;
global Face_ID tutorial_face = 0;
global b32 tutorial_is_active = false;
global Tutorial_Action tutorial_hover_action = TutorialAction_None;
global Tutorial_Action tutorial_depressed_action = TutorialAction_None;
CUSTOM_COMMAND_SIG(kill_tutorial)
CUSTOM_DOC("If in the tutorial state - kill it.")
{
if (!in_tutorial){
return;
}
in_tutorial = false;
view_close(app, tutorial_view);
}
function void
tutorial_activate(Application_Links *app){
if (!in_tutorial){
return;
}
Panel_ID panel = view_get_panel(app, tutorial_view);
Panel_ID parent = panel_get_parent(app, panel);
panel_set_split(app, parent, PanelSplitKind_Ratio_Min, 0.5f);
tutorial_is_active = true;
}
function void
tutorial_deactivate(Application_Links *app){
if (!in_tutorial){
return;
}
Face_ID face = get_face_id(app, 0);
Face_Metrics metrics = get_face_metrics(app, face);
f32 line_height = metrics.line_height;
Panel_ID panel = view_get_panel(app, tutorial_view);
Panel_ID parent = panel_get_parent(app, panel);
panel_set_split(app, parent, PanelSplitKind_FixedPixels_Min, line_height*4.f);
tutorial_is_active = false;
}
function void
tutorial_action(Application_Links *app, Tutorial_Action action){
}
function void
tutorial_default_4coder_render(Application_Links *app, Frame_Info frame_info, View_ID view_id){
View_ID active_view = get_active_view(app, Access_Always);
b32 is_active_view = (active_view == view_id);
FColor margin_color = get_margin_color(is_active_view?UIHighlight_Active:UIHighlight_None);
Rect_f32 region = draw_background_and_margin(app, view_id, margin_color, margin_color);
Rect_f32 prev_clip = draw_set_clip(app, region);
f32 panel_y0 = region.y0 - 3.f;
region = rect_inner(region, 3.f);
draw_rectangle(app, region, 20.f, fcolor_id(Stag_Back));
region = rect_inner(region, 10.f);
Face_ID face = get_face_id(app, 0);
if (tutorial_face == 0){
Face_Description face_description = get_face_description(app, face);
face_description.parameters.pt_size *= 2;
tutorial_face = try_create_new_face(app, &face_description);
if (tutorial_face == 0){
tutorial_face = face;
}
}
Face_Metrics metrics = get_face_metrics(app, face);
Face_Metrics tut_metrics = get_face_metrics(app, tutorial_face);
Vec2_f32 title_p = V2f32(region.x0, panel_y0 + (metrics.line_height*2.f) - tut_metrics.line_height*0.5f);
if (is_active_view){
if (!tutorial_is_active){
view_enqueue_command_function(app, view_id, tutorial_activate);
}
}
else{
if (tutorial_is_active){
view_enqueue_command_function(app, view_id, tutorial_deactivate);
}
}
Scratch_Block scratch(app);
String_Const_u8 title = string_u8_litexpr("Handmade Seattle Demo");
Fancy_Block long_details = {};
push_fancy_line(scratch, &long_details, tutorial_face, fcolor_id(Stag_Pop1), title);
//
Fancy_Line *line = push_fancy_line(scratch, &long_details, face, fcolor_id(Stag_Default));
#define M "If there are any features you'd like to know about or try out, "
push_fancy_string(scratch, line, string_u8_litexpr(M));
#undef M
push_fancy_string(scratch, line, fcolor_id(Stag_Keyword), string_u8_litexpr("ask!"));
//
push_fancy_line(scratch, &long_details, face, fcolor_id(Stag_Pop1), string_u8_litexpr(""));
//
push_fancy_line(scratch, &long_details, face, fcolor_id(Stag_Keyword), string_u8_litexpr("Let's start with a few navigation commands:"));
//
line = push_fancy_line(scratch, &long_details, face, fcolor_id(Stag_Default));
push_fancy_stringf(scratch, line, fcolor_id(Stag_Pop2),
"%40s ", "<Control Comma>");
push_fancy_stringf(scratch, line, "change active panel");
//
line = push_fancy_line(scratch, &long_details, face, fcolor_id(Stag_Default));
push_fancy_stringf(scratch, line, fcolor_id(Stag_Pop2),
"%40s ", "<*AnyArrow*>");
push_fancy_stringf(scratch, line, "move cursor one character or line");
//
line = push_fancy_line(scratch, &long_details, face, fcolor_id(Stag_Default));
push_fancy_stringf(scratch, line, fcolor_id(Stag_Pop2),
"%40s ", "<Control *AnyArrow*>");
push_fancy_stringf(scratch, line, "move cursor by 'chunks'");
//
line = push_fancy_line(scratch, &long_details, face, fcolor_id(Stag_Default));
push_fancy_stringf(scratch, line, fcolor_id(Stag_Pop2),
"%40s ", "<Home>, <End>");
push_fancy_stringf(scratch, line, "move cursor to the first/last character of the line");
//
line = push_fancy_line(scratch, &long_details, face, fcolor_id(Stag_Default));
push_fancy_stringf(scratch, line, fcolor_id(Stag_Pop2),
"%40s ", "<PageUp>, <PageDown>");
push_fancy_stringf(scratch, line, "move cursor by full pages up/down");
//
push_fancy_line(scratch, &long_details, face, fcolor_id(Stag_Keyword), string_u8_litexpr("Available in code files:"));
//
line = push_fancy_line(scratch, &long_details, face, fcolor_id(Stag_Default));
push_fancy_stringf(scratch, line, fcolor_id(Stag_Pop2),
"%40s ", "<Alt OpenBracket>");
push_fancy_stringf(scratch, line, "move cursor and mark to surrounding scope");
//
line = push_fancy_line(scratch, &long_details, face, fcolor_id(Stag_Default));
push_fancy_stringf(scratch, line, fcolor_id(Stag_Pop2),
"%40s ", "<Alt CloseBracket>");
push_fancy_stringf(scratch, line, "move cursor and mark to previous scope");
//
line = push_fancy_line(scratch, &long_details, face, fcolor_id(Stag_Default));
push_fancy_stringf(scratch, line, fcolor_id(Stag_Pop2),
"%40s ", "<Alt SingleQuote>");
push_fancy_stringf(scratch, line, "move cursor and mark to next scope");
//
line = push_fancy_line(scratch, &long_details, face, fcolor_id(Stag_Default));
push_fancy_stringf(scratch, line, fcolor_id(Stag_Pop2),
"%40s ", "<Alt Shift CloseBracket>");
push_fancy_stringf(scratch, line, "move cursor and mark to previous top-level scope");
//
line = push_fancy_line(scratch, &long_details, face, fcolor_id(Stag_Default));
push_fancy_stringf(scratch, line, fcolor_id(Stag_Pop2),
"%40s ", "<Alt Shift SingleQuote>");
push_fancy_stringf(scratch, line, "move cursor and mark to next top-level scope");
////
Fancy_Line short_details = {};
push_fancy_string(scratch, &short_details, tutorial_face, fcolor_id(Stag_Pop1), title);
push_fancy_string(scratch, &short_details, face, fcolor_id(Stag_Default), 8.f, 8.f, string_u8_litexpr("Welcome to Handmade Seattle and to this 4coder demo!"));
push_fancy_string(scratch, &short_details, face, fcolor_id(Stag_Pop2), string_u8_litexpr("Click here to see more."));
tutorial_hover_action = TutorialAction_None;
if (tutorial_is_active){
draw_fancy_block(app, 0, fcolor_zero(), &long_details, title_p);
// NOTE(allen): buttons
Rect_f32_Pair pair = rect_split_top_bottom_neg(region, metrics.line_height*2.f);
Rect_f32 footer = pair.max;
footer.x0 += 10.f;
footer.y0 -= 10.f;
footer.y1 -= 10.f;
f32 b_width = metrics.normal_advance*10.f;
Rect_f32_Pair b1_pair = rect_split_left_right(footer, b_width);
footer = b1_pair.max;
footer.x0 += 10.f;
Rect_f32_Pair b2_pair = rect_split_left_right(footer, b_width);
Mouse_State mouse = get_mouse_state(app);
Vec2_f32 m_p = V2f32(mouse.p);
if (draw_button(app, b1_pair.min, m_p, face, string_u8_litexpr("prev"))){
tutorial_hover_action = TutorialAction_Prev;
}
if (draw_button(app, b2_pair.min, m_p, face, string_u8_litexpr("next"))){
tutorial_hover_action = TutorialAction_Next;
}
}
else{
draw_fancy_line(app, 0, fcolor_zero(), &short_details, title_p);
}
draw_set_clip(app, prev_clip);
}
function void
tutorial_default_4coder_run(Application_Links *app)
{
View_ID view = get_this_ctx_view(app, Access_Always);
View_Context ctx = view_current_context(app, view);
ctx.render_caller = tutorial_default_4coder_render;
ctx.hides_buffer = true;
View_Context_Block ctx_block(app, view, &ctx);
in_tutorial = true;
tutorial_view = view;
for (;;){
User_Input in = get_next_input(app, EventPropertyGroup_Any, 0);
if (in.abort){
break;
}
b32 handled = true;
switch (in.event.kind){
case InputEventKind_MouseButton:
{
if (in.event.mouse.code == MouseCode_Left){
tutorial_depressed_action = tutorial_hover_action;
}
}break;
case InputEventKind_MouseButtonRelease:
{
if (in.event.mouse.code == MouseCode_Left){
if (tutorial_depressed_action == tutorial_hover_action){
tutorial_action(app, tutorial_depressed_action);
}
}
}break;
case InputEventKind_Core:
{
switch (in.event.core.code){
case CoreCode_ClickActivateView:
{
tutorial_activate(app);
}break;
case CoreCode_ClickDeactivateView:
{
tutorial_deactivate(app);
}break;
default:
{
handled = false;
}break;
}
}break;
default:
{
handled = false;
}break;
}
if (!handled){
Mapping *mapping = ctx.mapping;
Command_Map *map = mapping_get_map(mapping, ctx.map_id);
Fallback_Dispatch_Result disp_result =
fallback_command_dispatch(app, mapping, map, &in);
if (disp_result.code == FallbackDispatch_DelayedUICall){
call_after_ctx_shutdown(app, view, disp_result.func);
break;
}
if (disp_result.code == FallbackDispatch_Unhandled){
leave_current_input_unhandled(app);
}
}
}
in_tutorial = false;
}
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);
view_enqueue_command_function(app, tutorial_view, tutorial_default_4coder_run);
}
}
// BOTTOM