Files
anm2ed/src/imgui/imgui_.cpp
T
2025-12-13 20:12:52 -05:00

551 lines
16 KiB
C++

#include "imgui_.h"
#include "strings.h"
#include <imgui/imgui_internal.h>
#include <cmath>
#include <format>
#include <sstream>
#include <unordered_map>
using namespace anm2ed::types;
using namespace glm;
namespace anm2ed::imgui
{
static auto isRenaming = false;
constexpr ImVec4 COLOR_LIGHT_BUTTON{0.98f, 0.98f, 0.98f, 1.0f};
constexpr ImVec4 COLOR_LIGHT_TITLE_BG{0.78f, 0.78f, 0.78f, 1.0f};
constexpr ImVec4 COLOR_LIGHT_TITLE_BG_ACTIVE{0.64f, 0.64f, 0.64f, 1.0f};
constexpr ImVec4 COLOR_LIGHT_TITLE_BG_COLLAPSED{0.74f, 0.74f, 0.74f, 1.0f};
constexpr ImVec4 COLOR_LIGHT_TABLE_HEADER{0.78f, 0.78f, 0.78f, 1.0f};
constexpr ImVec4 COLOR_LIGHT_TAB{0.74f, 0.74f, 0.74f, 1.0f};
constexpr ImVec4 COLOR_LIGHT_TAB_HOVERED{0.82f, 0.82f, 0.82f, 1.0f};
constexpr ImVec4 COLOR_LIGHT_TAB_SELECTED{0.92f, 0.92f, 0.92f, 1.0f};
constexpr ImVec4 COLOR_LIGHT_TAB_DIMMED{0.70f, 0.70f, 0.70f, 1.0f};
constexpr ImVec4 COLOR_LIGHT_TAB_DIMMED_SELECTED{0.86f, 0.86f, 0.86f, 1.0f};
constexpr ImVec4 COLOR_LIGHT_TAB_OVERLINE{0.55f, 0.55f, 0.55f, 1.0f};
constexpr ImVec4 COLOR_LIGHT_TAB_DIMMED_OVERLINE{0.50f, 0.50f, 0.50f, 1.0f};
constexpr ImVec4 COLOR_LIGHT_CHECK_MARK{0.0f, 0.0f, 0.0f, 1.0f};
constexpr auto FRAME_BORDER_SIZE = 1.0f;
void theme_set(theme::Type theme)
{
switch (theme)
{
case theme::LIGHT:
ImGui::StyleColorsLight();
break;
case theme::DARK:
default:
ImGui::StyleColorsDark();
break;
case theme::CLASSIC:
ImGui::StyleColorsClassic();
break;
}
auto& style = ImGui::GetStyle();
style.FrameBorderSize = FRAME_BORDER_SIZE;
if (theme == theme::LIGHT)
{
auto& colors = style.Colors;
colors[ImGuiCol_Button] = COLOR_LIGHT_BUTTON;
colors[ImGuiCol_TitleBg] = COLOR_LIGHT_TITLE_BG;
colors[ImGuiCol_TitleBgActive] = COLOR_LIGHT_TITLE_BG_ACTIVE;
colors[ImGuiCol_TitleBgCollapsed] = COLOR_LIGHT_TITLE_BG_COLLAPSED;
colors[ImGuiCol_TableHeaderBg] = COLOR_LIGHT_TABLE_HEADER;
colors[ImGuiCol_Tab] = COLOR_LIGHT_TAB;
colors[ImGuiCol_TabHovered] = COLOR_LIGHT_TAB_HOVERED;
colors[ImGuiCol_TabSelected] = COLOR_LIGHT_TAB_SELECTED;
colors[ImGuiCol_TabSelectedOverline] = COLOR_LIGHT_TAB_OVERLINE;
colors[ImGuiCol_TabDimmed] = COLOR_LIGHT_TAB_DIMMED;
colors[ImGuiCol_TabDimmedSelected] = COLOR_LIGHT_TAB_DIMMED_SELECTED;
colors[ImGuiCol_TabDimmedSelectedOverline] = COLOR_LIGHT_TAB_DIMMED_OVERLINE;
colors[ImGuiCol_CheckMark] = COLOR_LIGHT_CHECK_MARK;
}
}
int input_text_callback(ImGuiInputTextCallbackData* data)
{
if (data->EventFlag == ImGuiInputTextFlags_CallbackResize)
{
auto* string = (std::string*)(data->UserData);
string->resize(data->BufTextLen);
data->Buf = string->data();
}
return 0;
}
bool input_text_string(const char* label, std::string* string, ImGuiInputTextFlags flags)
{
flags |= ImGuiInputTextFlags_CallbackResize;
return ImGui::InputText(label, string->data(), string->capacity() + 1, flags, input_text_callback, string);
}
bool combo_negative_one_indexed(const std::string& label, int* index, std::vector<const char*>& strings)
{
*index += 1;
bool isActivated = ImGui::Combo(label.c_str(), index, strings.data(), (int)strings.size());
*index -= 1;
return isActivated;
}
edit::Type drag_int_persistent(const char* label, int* value, float speed, int min, int max, const char* format,
ImGuiSliderFlags flags)
{
static bool isEditing{};
static int start{INT_MAX};
auto persistent = value ? *value : 0;
ImGui::DragInt(label, &persistent, speed, min, max, format, flags);
if (!value) return edit::NONE;
if (ImGui::IsItemActivated() && persistent != start)
{
isEditing = true;
start = *value;
return edit::START;
}
else if (ImGui::IsItemDeactivatedAfterEdit())
{
isEditing = false;
*value = persistent;
start = INT_MAX;
return edit::END;
}
else if (isEditing)
{
*value = persistent;
return edit::DURING;
}
return edit::NONE;
}
edit::Type drag_float_persistent(const char* label, float* value, float speed, float min, float max,
const char* format, ImGuiSliderFlags flags)
{
static bool isEditing{};
static float start{NAN};
auto persistent = value ? *value : 0;
ImGui::DragFloat(label, &persistent, speed, min, max, format, flags);
if (!value) return edit::NONE;
if (ImGui::IsItemActivated() && persistent != start)
{
isEditing = true;
start = *value;
return edit::START;
}
else if (ImGui::IsItemDeactivatedAfterEdit())
{
isEditing = false;
*value = persistent;
start = NAN;
return edit::END;
}
else if (isEditing)
{
*value = persistent;
return edit::DURING;
}
return edit::NONE;
}
edit::Type drag_float2_persistent(const char* label, vec2* value, float speed, float min, float max,
const char* format, ImGuiSliderFlags flags)
{
static bool isEditing{};
static vec2 start{NAN};
auto persistent = value ? *value : vec2();
ImGui::DragFloat2(label, value_ptr(persistent), speed, min, max, format, flags);
if (!value) return edit::NONE;
if (ImGui::IsItemActivated() && persistent != start)
{
isEditing = true;
start = *value;
return edit::START;
}
else if (ImGui::IsItemDeactivatedAfterEdit())
{
isEditing = false;
*value = persistent;
start = vec2{NAN};
return edit::END;
}
else if (isEditing)
{
*value = persistent;
return edit::DURING;
}
return edit::NONE;
}
edit::Type color_edit3_persistent(const char* label, vec3* value, ImGuiColorEditFlags flags)
{
static bool isEditing{};
static vec3 start{NAN};
auto persistent = value ? *value : vec4();
ImGui::ColorEdit3(label, value_ptr(persistent), flags);
if (!value) return edit::NONE;
if (ImGui::IsItemActivated() && persistent != start)
{
isEditing = true;
start = *value;
return edit::START;
}
else if (ImGui::IsItemDeactivatedAfterEdit())
{
isEditing = false;
*value = persistent;
start = vec4{NAN};
return edit::END;
}
else if (isEditing)
{
*value = persistent;
return edit::DURING;
}
return edit::NONE;
}
edit::Type color_edit4_persistent(const char* label, vec4* value, ImGuiColorEditFlags flags)
{
static bool isEditing{};
static vec4 start{NAN};
auto persistent = value ? *value : vec4();
ImGui::ColorEdit4(label, value_ptr(persistent), flags);
if (!value) return edit::NONE;
if (ImGui::IsItemActivated() && persistent != start)
{
isEditing = true;
start = *value;
return edit::START;
}
else if (ImGui::IsItemDeactivatedAfterEdit())
{
isEditing = false;
*value = persistent;
start = vec4{NAN};
return edit::END;
}
else if (isEditing)
{
*value = persistent;
return edit::DURING;
}
return edit::NONE;
}
bool input_int_range(const char* label, int& value, int min, int max, int step, int stepFast,
ImGuiInputTextFlags flags)
{
auto isActivated = ImGui::InputInt(label, &value, step, stepFast, flags);
value = glm::clamp(value, min, max);
return isActivated;
}
bool input_int2_range(const char* label, ivec2& value, ivec2 min, ivec2 max, ImGuiInputTextFlags flags)
{
auto isActivated = ImGui::InputInt2(label, value_ptr(value), flags);
value = glm::clamp(value, min, max);
return isActivated;
}
bool input_float_range(const char* label, float& value, float min, float max, float step, float stepFast,
const char* format, ImGuiInputTextFlags flags)
{
auto isActivated = ImGui::InputFloat(label, &value, step, stepFast, format, flags);
value = glm::clamp(value, min, max);
return isActivated;
}
std::string& selectable_input_text_id()
{
static std::string editID{};
return editID;
}
bool selectable_input_text(const std::string& label, const std::string& id, std::string& text, bool isSelected,
ImGuiSelectableFlags flags, RenameState& state)
{
auto& editID = selectable_input_text_id();
auto isRename = editID == id;
bool isActivated{};
if (isRename)
{
auto finish = [&]()
{
editID.clear();
isActivated = true;
state = RENAME_FINISHED;
isRenaming = false;
};
if (state == RENAME_BEGIN)
{
ImGui::SetKeyboardFocusHere();
state = RENAME_EDITING;
}
ImGui::SetNextItemWidth(-FLT_MIN);
if (input_text_string("##Edit", &text, ImGuiInputTextFlags_EnterReturnsTrue | ImGuiInputTextFlags_AutoSelectAll))
finish();
if (ImGui::IsItemDeactivatedAfterEdit() || ImGui::IsKeyPressed(ImGuiKey_Escape)) finish();
}
else
{
if (ImGui::Selectable(label.c_str(), isSelected, flags)) isActivated = true;
if (state == RENAME_FORCE_EDIT || (ImGui::IsItemHovered() && ImGui::IsMouseDoubleClicked(ImGuiMouseButton_Left)))
{
state = RENAME_BEGIN;
editID = id;
isActivated = true;
isRenaming = true;
}
}
return isActivated;
}
void set_item_tooltip_shortcut(const char* tooltip, const std::string& shortcut)
{
ImGui::SetItemTooltip(
"%s", std::vformat(localize.get(FORMAT_TOOLTIP_SHORTCUT), std::make_format_args(tooltip, shortcut)).c_str());
}
namespace
{
struct CheckerStart
{
float position{};
long long index{};
};
CheckerStart checker_start(float minCoord, float offset, float step)
{
float world = minCoord + offset;
long long idx = static_cast<long long>(std::floor(world / step));
float first = minCoord - (world - static_cast<float>(idx) * step);
return {first, idx};
}
}
void render_checker_background(ImDrawList* drawList, ImVec2 min, ImVec2 max, vec2 offset, float step)
{
if (!drawList || step <= 0.0f) return;
const ImU32 colorLight = IM_COL32(204, 204, 204, 255);
const ImU32 colorDark = IM_COL32(128, 128, 128, 255);
auto [startY, rowIndex] = checker_start(min.y, offset.y, step);
for (float y = startY; y < max.y; y += step, ++rowIndex)
{
float y1 = glm::max(y, min.y);
float y2 = glm::min(y + step, max.y);
if (y2 <= y1) continue;
auto [startX, columnIndex] = checker_start(min.x, offset.x, step);
for (float x = startX; x < max.x; x += step, ++columnIndex)
{
float x1 = glm::max(x, min.x);
float x2 = glm::min(x + step, max.x);
if (x2 <= x1) continue;
bool isDark = ((rowIndex + columnIndex) & 1LL) != 0;
drawList->AddRectFilled(ImVec2(x1, y1), ImVec2(x2, y2), isDark ? colorDark : colorLight);
}
}
}
void external_storage_set(ImGuiSelectionExternalStorage* self, int id, bool isSelected)
{
auto* storage = static_cast<MultiSelectStorage*>(self->UserData);
auto value = storage ? storage->resolve_index(id) : id;
if (isSelected)
storage->insert(value);
else
storage->erase(value);
};
std::string chord_to_string(ImGuiKeyChord chord)
{
std::string result;
if (chord & ImGuiMod_Ctrl) result += "Ctrl+";
if (chord & ImGuiMod_Shift) result += "Shift+";
if (chord & ImGuiMod_Alt) result += "Alt+";
if (chord & ImGuiMod_Super) result += "Super+";
if (auto key = (ImGuiKey)(chord & ~ImGuiMod_Mask_); key != ImGuiKey_None)
{
if (const char* name = ImGui::GetKeyName(key); name && *name)
result += name;
else
result += "Unknown";
}
if (!result.empty() && result.back() == '+') result.pop_back();
return result;
}
ImGuiKeyChord string_to_chord(const std::string& string)
{
ImGuiKeyChord chord = 0;
ImGuiKey baseKey = ImGuiKey_None;
std::stringstream ss(string);
std::string token;
while (std::getline(ss, token, '+'))
{
token.erase(0, token.find_first_not_of(" \t\r\n"));
token.erase(token.find_last_not_of(" \t\r\n") + 1);
if (token.empty()) continue;
if (auto it = MOD_MAP.find(token); it != MOD_MAP.end())
chord |= it->second;
else if (baseKey == ImGuiKey_None)
if (auto it2 = KEY_MAP.find(token); it2 != KEY_MAP.end()) baseKey = it2->second;
}
if (baseKey != ImGuiKey_None) chord |= baseKey;
return chord;
}
float row_widget_width_get(int count, float width)
{
return (width - (ImGui::GetStyle().ItemSpacing.x * (float)(count - 1))) / (float)count;
}
ImVec2 widget_size_with_row_get(int count, float width) { return ImVec2(row_widget_width_get(count, width), 0); }
float footer_height_get(int itemCount)
{
return ImGui::GetTextLineHeightWithSpacing() * itemCount + ImGui::GetStyle().WindowPadding.y +
ImGui::GetStyle().ItemSpacing.y * (itemCount);
}
ImVec2 footer_size_get(int itemCount)
{
return ImVec2(ImGui::GetContentRegionAvail().x, footer_height_get(itemCount));
}
ImVec2 size_without_footer_get(int rowCount)
{
return ImVec2(ImGui::GetContentRegionAvail().x, ImGui::GetContentRegionAvail().y - footer_height_get(rowCount));
}
ImVec2 child_size_get(int rowCount)
{
return ImVec2(ImGui::GetContentRegionAvail().x,
(ImGui::GetFrameHeightWithSpacing() * rowCount) + (ImGui::GetStyle().WindowPadding.y * 2.0f));
}
ImVec2 icon_size_get()
{
return ImVec2(ImGui::GetTextLineHeightWithSpacing(), ImGui::GetTextLineHeightWithSpacing());
}
bool shortcut(ImGuiKeyChord chord, shortcut::Type type)
{
if (ImGui::GetTopMostPopupModal() != nullptr) return false;
int flags = type == shortcut::GLOBAL || type == shortcut::GLOBAL_SET ? ImGuiInputFlags_RouteGlobal
: ImGuiInputFlags_RouteFocused;
flags |= ImGuiInputFlags_Repeat;
if (type == shortcut::GLOBAL_SET || type == shortcut::FOCUSED_SET)
{
ImGui::SetNextItemShortcut(chord, flags);
return false;
}
return ImGui::Shortcut(chord, flags);
}
MultiSelectStorage::MultiSelectStorage() { internal.AdapterSetItemSelected = external_storage_set; }
void MultiSelectStorage::start(size_t size, ImGuiMultiSelectFlags flags)
{
internal.UserData = this;
io = ImGui::BeginMultiSelect(flags, this->size(), size);
apply();
}
void MultiSelectStorage::apply() { internal.ApplyRequests(io); }
void MultiSelectStorage::finish()
{
io = ImGui::EndMultiSelect();
apply();
}
void MultiSelectStorage::set_index_map(std::vector<int>* map) { indexMap = map; }
int MultiSelectStorage::resolve_index(int index) const
{
if (!indexMap) return index;
if (index < 0 || index >= (int)indexMap->size()) return index;
return (*indexMap)[index];
}
PopupHelper::PopupHelper(StringType labelId, PopupType type, PopupPosition position)
{
this->labelId = labelId;
this->type = type;
this->position = position;
}
void PopupHelper::open()
{
isOpen = true;
isTriggered = true;
isJustOpened = true;
}
bool PopupHelper::is_open() { return isOpen; }
void PopupHelper::trigger()
{
if (isTriggered) ImGui::OpenPopup(localize.get(labelId));
isTriggered = false;
auto viewport = ImGui::GetMainViewport();
switch (position)
{
case POPUP_CENTER:
ImGui::SetNextWindowPos(viewport->GetCenter(), ImGuiCond_None, to_imvec2(vec2(0.5f)));
if (POPUP_IS_HEIGHT_SET[type])
ImGui::SetNextWindowSize(to_imvec2(to_vec2(viewport->Size) * POPUP_MULTIPLIERS[type]));
else
ImGui::SetNextWindowSize(ImVec2(viewport->Size.x * POPUP_MULTIPLIERS[type], 0));
break;
case POPUP_BY_ITEM:
ImGui::SetNextWindowPos(ImGui::GetItemRectMin(), ImGuiCond_None);
case POPUP_BY_CURSOR:
default:
break;
}
}
void PopupHelper::end() { isJustOpened = false; }
void PopupHelper::close() { isOpen = false; }
}