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ImHex/lib/libimhex/source/ui/imgui_imhex_extensions.cpp

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#include <hex/ui/imgui_imhex_extensions.h>
#include <imgui.h>
#include <imgui_freetype.h>
#define IMGUI_DEFINE_MATH_OPERATORS
#include <imgui_internal.h>
#undef IMGUI_DEFINE_MATH_OPERATORS
#define STB_IMAGE_IMPLEMENTATION
#include <stb_image.h>
#include <string>
#include <imgui_impl_opengl3_loader.h>
namespace ImGui {
int UpdateStringSizeCallback(ImGuiInputTextCallbackData *data) {
auto &mathInput = *static_cast<std::string *>(data->UserData);
mathInput.resize(data->BufTextLen);
return 0;
}
bool IconHyperlink(const char *icon, const char *label, const ImVec2 &size_arg, ImGuiButtonFlags flags) {
ImGuiWindow *window = GetCurrentWindow();
if (window->SkipItems)
return false;
ImGuiContext &g = *GImGui;
const ImGuiStyle &style = g.Style;
const ImGuiID id = window->GetID(label);
ImVec2 label_size = CalcTextSize(icon, NULL, false);
label_size.x += CalcTextSize(" ", NULL, false).x + CalcTextSize(label, NULL, false).x;
ImVec2 pos = window->DC.CursorPos;
ImVec2 size = CalcItemSize(size_arg, label_size.x, label_size.y);
const ImRect bb(pos, pos + size);
if (!ItemAdd(bb, id))
return false;
if (g.LastItemData.InFlags & ImGuiItemFlags_ButtonRepeat)
flags |= ImGuiButtonFlags_Repeat;
bool hovered, held;
bool pressed = ButtonBehavior(bb, id, &hovered, &held, flags);
// Render
const ImU32 col = hovered ? GetColorU32(ImGuiCol_ButtonHovered) : GetColorU32(ImGuiCol_ButtonActive);
PushStyleColor(ImGuiCol_Text, ImU32(col));
Text("%s %s", icon, label);
GetWindowDrawList()->AddLine(ImVec2(pos.x, pos.y + size.y), pos + size, ImU32(col));
PopStyleColor();
IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.LastItemStatusFlags);
return pressed;
}
bool Hyperlink(const char *label, const ImVec2 &size_arg, ImGuiButtonFlags flags) {
ImGuiWindow *window = GetCurrentWindow();
if (window->SkipItems)
return false;
ImGuiContext &g = *GImGui;
const ImGuiStyle &style = g.Style;
const ImGuiID id = window->GetID(label);
const ImVec2 label_size = CalcTextSize(label, NULL, true);
ImVec2 pos = window->DC.CursorPos;
ImVec2 size = CalcItemSize(size_arg, label_size.x, label_size.y);
const ImRect bb(pos, pos + size);
if (!ItemAdd(bb, id))
return false;
if (g.LastItemData.InFlags & ImGuiItemFlags_ButtonRepeat)
flags |= ImGuiButtonFlags_Repeat;
bool hovered, held;
bool pressed = ButtonBehavior(bb, id, &hovered, &held, flags);
// Render
const ImU32 col = hovered ? GetColorU32(ImGuiCol_ButtonHovered) : GetColorU32(ImGuiCol_ButtonActive);
PushStyleColor(ImGuiCol_Text, ImU32(col));
TextEx(label, NULL, ImGuiTextFlags_NoWidthForLargeClippedText); // Skip formatting
GetWindowDrawList()->AddLine(ImVec2(pos.x, pos.y + size.y), pos + size, ImU32(col));
PopStyleColor();
IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.LastItemStatusFlags);
return pressed;
}
bool BulletHyperlink(const char *label, const ImVec2 &size_arg, ImGuiButtonFlags flags) {
ImGuiWindow *window = GetCurrentWindow();
if (window->SkipItems)
return false;
ImGuiContext &g = *GImGui;
const ImGuiStyle &style = g.Style;
const ImGuiID id = window->GetID(label);
const ImVec2 label_size = CalcTextSize(label, NULL, true);
ImVec2 pos = window->DC.CursorPos;
ImVec2 size = CalcItemSize(size_arg, label_size.x, label_size.y) + ImVec2(g.FontSize + style.FramePadding.x * 2, 0.0f);
const ImRect bb(pos, pos + size);
if (!ItemAdd(bb, id))
return false;
if (g.LastItemData.InFlags & ImGuiItemFlags_ButtonRepeat)
flags |= ImGuiButtonFlags_Repeat;
bool hovered, held;
bool pressed = ButtonBehavior(bb, id, &hovered, &held, flags);
// Render
const ImU32 col = hovered ? GetColorU32(ImGuiCol_ButtonHovered) : GetColorU32(ImGuiCol_ButtonActive);
PushStyleColor(ImGuiCol_Text, ImU32(col));
RenderBullet(window->DrawList, bb.Min + ImVec2(style.FramePadding.x + g.FontSize * 0.5f, g.FontSize * 0.5f), col);
RenderText(bb.Min + ImVec2(g.FontSize + style.FramePadding.x * 2, 0.0f), label, nullptr, false);
GetWindowDrawList()->AddLine(bb.Min + ImVec2(style.FramePadding.x, size.y), pos + size, ImU32(col));
ImGui::NewLine();
PopStyleColor();
IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.LastItemStatusFlags);
return pressed;
}
bool DescriptionButton(const char *label, const char *description, const ImVec2 &size_arg, ImGuiButtonFlags flags) {
ImGuiWindow *window = GetCurrentWindow();
if (window->SkipItems)
return false;
ImGuiContext &g = *GImGui;
const ImGuiStyle &style = g.Style;
const ImGuiID id = window->GetID(label);
const ImVec2 text_size = CalcTextSize((std::string(label) + "\n " + std::string(description)).c_str(), NULL, true);
const ImVec2 label_size = CalcTextSize(label, NULL, true);
ImVec2 pos = window->DC.CursorPos;
if ((flags & ImGuiButtonFlags_AlignTextBaseLine) && style.FramePadding.y < window->DC.CurrLineTextBaseOffset) // Try to vertically align buttons that are smaller/have no padding so that text baseline matches (bit hacky, since it shouldn't be a flag)
pos.y += window->DC.CurrLineTextBaseOffset - style.FramePadding.y;
ImVec2 size = CalcItemSize(size_arg, text_size.x + style.FramePadding.x * 4.0f, text_size.y + style.FramePadding.y * 4.0f);
const ImRect bb(pos, pos + size);
ItemSize(size, style.FramePadding.y);
if (!ItemAdd(bb, id))
return false;
if (g.LastItemData.InFlags & ImGuiItemFlags_ButtonRepeat)
flags |= ImGuiButtonFlags_Repeat;
bool hovered, held;
bool pressed = ButtonBehavior(bb, id, &hovered, &held, flags);
ImGui::PushStyleVar(ImGuiStyleVar_ButtonTextAlign, ImVec2(0.0, 0.5));
// Render
const ImU32 col = GetCustomColorU32((held && hovered) ? ImGuiCustomCol_DescButtonActive : hovered ? ImGuiCustomCol_DescButtonHovered
: ImGuiCustomCol_DescButton);
RenderNavHighlight(bb, id);
RenderFrame(bb.Min, bb.Max, col, true, style.FrameRounding);
PushStyleColor(ImGuiCol_Text, GetColorU32(ImGuiCol_ButtonActive));
RenderTextWrapped(bb.Min + style.FramePadding * 2, label, nullptr, CalcWrapWidthForPos(window->DC.CursorPos, window->DC.TextWrapPos));
PopStyleColor();
PushStyleColor(ImGuiCol_Text, GetColorU32(ImGuiCol_Text));
RenderTextClipped(bb.Min + style.FramePadding * 2 + ImVec2(style.FramePadding.x * 2, label_size.y), bb.Max - style.FramePadding, description, NULL, &text_size, style.ButtonTextAlign, &bb);
PopStyleColor();
ImGui::PopStyleVar();
// Automatically close popups
// if (pressed && !(flags & ImGuiButtonFlags_DontClosePopups) && (window->Flags & ImGuiWindowFlags_Popup))
// CloseCurrentPopup();
IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.LastItemStatusFlags);
return pressed;
}
void UnderlinedText(const char *label, ImColor color, const ImVec2 &size_arg) {
ImGuiWindow *window = GetCurrentWindow();
const ImVec2 label_size = CalcTextSize(label, NULL, true);
ImVec2 pos = window->DC.CursorPos;
ImVec2 size = CalcItemSize(size_arg, label_size.x, label_size.y);
PushStyleColor(ImGuiCol_Text, ImU32(color));
TextEx(label, NULL, ImGuiTextFlags_NoWidthForLargeClippedText); // Skip formatting
GetWindowDrawList()->AddLine(ImVec2(pos.x, pos.y + size.y), pos + size, ImU32(color));
PopStyleColor();
}
void Disabled(const std::function<void()> &widgets, bool disabled) {
if (disabled) {
BeginDisabled();
widgets();
EndDisabled();
} else {
widgets();
}
}
void TextSpinner(const char *label) {
ImGui::Text("[%c] %s", "|/-\\"[ImU32(ImGui::GetTime() * 20) % 4], label);
}
void Header(const char *label, bool firstEntry) {
if (!firstEntry)
ImGui::NewLine();
ImGui::TextUnformatted(label);
ImGui::Separator();
}
void HeaderColored(const char *label, ImColor color, bool firstEntry) {
if (!firstEntry)
ImGui::NewLine();
ImGui::TextFormattedColored(color, "{}", label);
ImGui::Separator();
}
void InfoTooltip(const char *text) {
static double lastMoveTime;
static ImGuiID lastHoveredID;
double currTime = ImGui::GetTime();
ImGuiID hoveredID = ImGui::GetHoveredID();
if (IsItemHovered() && (currTime - lastMoveTime) >= 0.5 && hoveredID == lastHoveredID) {
BeginTooltip();
TextUnformatted(text);
EndTooltip();
}
if (hoveredID != lastHoveredID) {
lastMoveTime = currTime;
}
lastHoveredID = hoveredID;
}
ImU32 GetCustomColorU32(ImGuiCustomCol idx, float alpha_mul) {
auto &customData = *static_cast<ImHexCustomData *>(GImGui->IO.UserData);
ImVec4 c = customData.Colors[idx];
c.w *= GImGui->Style.Alpha * alpha_mul;
return ColorConvertFloat4ToU32(c);
}
ImVec4 GetCustomColorVec4(ImGuiCustomCol idx, float alpha_mul) {
auto &customData = *static_cast<ImHexCustomData *>(GImGui->IO.UserData);
ImVec4 c = customData.Colors[idx];
c.w *= GImGui->Style.Alpha * alpha_mul;
return c;
}
void StyleCustomColorsDark() {
auto &colors = static_cast<ImHexCustomData *>(GImGui->IO.UserData)->Colors;
colors[ImGuiCustomCol_DescButton] = ImColor(20, 20, 20);
colors[ImGuiCustomCol_DescButtonHovered] = ImColor(40, 40, 40);
colors[ImGuiCustomCol_DescButtonActive] = ImColor(60, 60, 60);
colors[ImGuiCustomCol_ToolbarGray] = ImColor(230, 230, 230);
colors[ImGuiCustomCol_ToolbarRed] = ImColor(231, 76, 60);
colors[ImGuiCustomCol_ToolbarYellow] = ImColor(241, 196, 15);
colors[ImGuiCustomCol_ToolbarGreen] = ImColor(56, 139, 66);
colors[ImGuiCustomCol_ToolbarBlue] = ImColor(6, 83, 155);
colors[ImGuiCustomCol_ToolbarPurple] = ImColor(103, 42, 120);
colors[ImGuiCustomCol_ToolbarBrown] = ImColor(219, 179, 119);
colors[ImGuiCustomCol_Highlight] = ImColor(77, 198, 155);
}
void StyleCustomColorsLight() {
auto &colors = static_cast<ImHexCustomData *>(GImGui->IO.UserData)->Colors;
colors[ImGuiCustomCol_DescButton] = ImColor(230, 230, 230);
colors[ImGuiCustomCol_DescButtonHovered] = ImColor(210, 210, 210);
colors[ImGuiCustomCol_DescButtonActive] = ImColor(190, 190, 190);
colors[ImGuiCustomCol_ToolbarGray] = ImColor(25, 25, 25);
colors[ImGuiCustomCol_ToolbarRed] = ImColor(231, 76, 60);
colors[ImGuiCustomCol_ToolbarYellow] = ImColor(241, 196, 15);
colors[ImGuiCustomCol_ToolbarGreen] = ImColor(56, 139, 66);
colors[ImGuiCustomCol_ToolbarBlue] = ImColor(6, 83, 155);
colors[ImGuiCustomCol_ToolbarPurple] = ImColor(103, 42, 120);
colors[ImGuiCustomCol_ToolbarBrown] = ImColor(219, 179, 119);
colors[ImGuiCustomCol_Highlight] = ImColor(41, 151, 112);
}
void StyleCustomColorsClassic() {
auto &colors = static_cast<ImHexCustomData *>(GImGui->IO.UserData)->Colors;
colors[ImGuiCustomCol_DescButton] = ImColor(40, 40, 80);
colors[ImGuiCustomCol_DescButtonHovered] = ImColor(60, 60, 100);
colors[ImGuiCustomCol_DescButtonActive] = ImColor(80, 80, 120);
colors[ImGuiCustomCol_ToolbarGray] = ImColor(230, 230, 230);
colors[ImGuiCustomCol_ToolbarRed] = ImColor(231, 76, 60);
colors[ImGuiCustomCol_ToolbarYellow] = ImColor(241, 196, 15);
colors[ImGuiCustomCol_ToolbarGreen] = ImColor(56, 139, 66);
colors[ImGuiCustomCol_ToolbarBlue] = ImColor(6, 83, 155);
colors[ImGuiCustomCol_ToolbarPurple] = ImColor(103, 42, 120);
colors[ImGuiCustomCol_ToolbarBrown] = ImColor(219, 179, 119);
colors[ImGuiCustomCol_Highlight] = ImColor(77, 198, 155);
}
Texture LoadImageFromPath(const char *path) {
int imageWidth = 0;
int imageHeight = 0;
unsigned char *imageData = stbi_load(path, &imageWidth, &imageHeight, nullptr, 4);
if (imageData == nullptr)
return { nullptr, -1, -1 };
GLuint texture;
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
#if defined(GL_UNPACK_ROW_LENGTH)
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
#endif
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, imageWidth, imageHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, imageData);
stbi_image_free(imageData);
return { reinterpret_cast<ImTextureID>(static_cast<intptr_t>(texture)), imageWidth, imageHeight };
}
Texture LoadImageFromMemory(const ImU8 *buffer, int size) {
int imageWidth = 0;
int imageHeight = 0;
unsigned char *imageData = stbi_load_from_memory(buffer, size, &imageWidth, &imageHeight, nullptr, 4);
if (imageData == nullptr)
return { nullptr, -1, -1 };
GLuint texture;
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
#if defined(GL_UNPACK_ROW_LENGTH)
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
#endif
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, imageWidth, imageHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, imageData);
stbi_image_free(imageData);
return { reinterpret_cast<ImTextureID>(static_cast<intptr_t>(texture)), imageWidth, imageHeight };
}
void UnloadImage(Texture &texture) {
if (texture.textureId == nullptr)
return;
auto glTextureId = static_cast<GLuint>(reinterpret_cast<intptr_t>(texture.textureId));
glDeleteTextures(1, &glTextureId);
texture = { nullptr, 0, 0 };
}
void OpenPopupInWindow(const char *window_name, const char *popup_name) {
if (ImGui::Begin(window_name)) {
ImGui::OpenPopup(popup_name);
}
ImGui::End();
}
bool TitleBarButton(const char *label, ImVec2 size_arg) {
ImGuiWindow *window = GetCurrentWindow();
if (window->SkipItems)
return false;
ImGuiContext &g = *GImGui;
const ImGuiStyle &style = g.Style;
const ImGuiID id = window->GetID(label);
const ImVec2 label_size = CalcTextSize(label, NULL, true);
ImVec2 pos = window->DC.CursorPos;
ImVec2 size = CalcItemSize(size_arg, label_size.x + style.FramePadding.x * 2.0f, label_size.y + style.FramePadding.y * 2.0f);
const ImRect bb(pos, pos + size);
ItemSize(size, style.FramePadding.y);
if (!ItemAdd(bb, id))
return false;
bool hovered, held;
bool pressed = ButtonBehavior(bb, id, &hovered, &held);
// Render
const ImU32 col = GetColorU32((held && hovered) ? ImGuiCol_ButtonActive : hovered ? ImGuiCol_ButtonHovered
: ImGuiCol_Button);
RenderNavHighlight(bb, id);
RenderFrame(bb.Min, bb.Max, col, true, style.FrameRounding);
RenderTextClipped(bb.Min + style.FramePadding * ImVec2(1, 2), bb.Max - style.FramePadding, label, NULL, &label_size, style.ButtonTextAlign, &bb);
// Automatically close popups
// if (pressed && !(flags & ImGuiButtonFlags_DontClosePopups) && (window->Flags & ImGuiWindowFlags_Popup))
// CloseCurrentPopup();
IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.LastItemStatusFlags);
return pressed;
}
bool ToolBarButton(const char *symbol, ImVec4 color) {
ImGuiWindow *window = GetCurrentWindow();
if (window->SkipItems)
return false;
color.w = 1.0F;
ImGuiContext &g = *GImGui;
const ImGuiStyle &style = g.Style;
const ImGuiID id = window->GetID(symbol);
const ImVec2 label_size = CalcTextSize(symbol, NULL, true);
ImVec2 pos = window->DC.CursorPos;
ImVec2 size = CalcItemSize(ImVec2(1, 1) * ImGui::GetCurrentWindow()->MenuBarHeight(), label_size.x + style.FramePadding.x * 2.0f, label_size.y + style.FramePadding.y * 2.0f);
const ImRect bb(pos, pos + size);
ItemSize(size, style.FramePadding.y);
if (!ItemAdd(bb, id))
return false;
bool hovered, held;
bool pressed = ButtonBehavior(bb, id, &hovered, &held);
PushStyleColor(ImGuiCol_Text, color);
// Render
const ImU32 col = GetColorU32((held && hovered) ? ImGuiCol_ScrollbarGrabActive : hovered ? ImGuiCol_ScrollbarGrabHovered
: ImGuiCol_MenuBarBg);
RenderNavHighlight(bb, id);
RenderFrame(bb.Min, bb.Max, col, false, style.FrameRounding);
RenderTextClipped(bb.Min + style.FramePadding * ImVec2(1, 2), bb.Max - style.FramePadding, symbol, NULL, &label_size, style.ButtonTextAlign, &bb);
PopStyleColor();
// Automatically close popups
// if (pressed && !(flags & ImGuiButtonFlags_DontClosePopups) && (window->Flags & ImGuiWindowFlags_Popup))
// CloseCurrentPopup();
IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.LastItemStatusFlags);
return pressed;
}
bool IconButton(const char *symbol, ImVec4 color, ImVec2 size_arg) {
ImGuiWindow *window = GetCurrentWindow();
if (window->SkipItems)
return false;
color.w = 1.0F;
ImGuiContext &g = *GImGui;
const ImGuiStyle &style = g.Style;
const ImGuiID id = window->GetID(symbol);
const ImVec2 label_size = CalcTextSize(symbol, NULL, true);
ImVec2 pos = window->DC.CursorPos;
ImVec2 size = CalcItemSize(size_arg, label_size.x + style.FramePadding.x * 2.0f, label_size.y + style.FramePadding.y * 2.0f);
const ImRect bb(pos, pos + size);
ItemSize(size, style.FramePadding.y);
if (!ItemAdd(bb, id))
return false;
bool hovered, held;
bool pressed = ButtonBehavior(bb, id, &hovered, &held);
PushStyleColor(ImGuiCol_Text, color);
// Render
const ImU32 col = GetColorU32((held && hovered) ? ImGuiCol_ButtonActive : hovered ? ImGuiCol_ButtonHovered
: ImGuiCol_Button);
RenderNavHighlight(bb, id);
RenderFrame(bb.Min, bb.Max, col, false, style.FrameRounding);
RenderTextClipped(bb.Min + style.FramePadding * ImVec2(1, 2), bb.Max - style.FramePadding, symbol, NULL, &label_size, style.ButtonTextAlign, &bb);
PopStyleColor();
// Automatically close popups
// if (pressed && !(flags & ImGuiButtonFlags_DontClosePopups) && (window->Flags & ImGuiWindowFlags_Popup))
// CloseCurrentPopup();
IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.LastItemStatusFlags);
return pressed;
}
void SmallProgressBar(float fraction, float yOffset) {
ImGuiWindow *window = GetCurrentWindow();
if (window->SkipItems)
return;
ImGuiContext &g = *GImGui;
const ImGuiStyle &style = g.Style;
ImVec2 pos = window->DC.CursorPos + ImVec2(0, yOffset);
ImVec2 size = CalcItemSize(ImVec2(100, 5), 100, g.FontSize + style.FramePadding.y * 2.0f);
ImRect bb(pos, pos + size);
ItemSize(size, 0);
if (!ItemAdd(bb, 0))
return;
// Render
fraction = ImSaturate(fraction);
RenderFrame(bb.Min, bb.Max, GetColorU32(ImGuiCol_FrameBg), true, style.FrameRounding);
bb.Expand(ImVec2(-style.FrameBorderSize, -style.FrameBorderSize));
const ImVec2 fill_br = ImVec2(ImLerp(bb.Min.x, bb.Max.x, fraction), bb.Max.y);
RenderRectFilledRangeH(window->DrawList, bb, GetColorU32(ImGuiCol_PlotHistogram), 0.0f, fraction, style.FrameRounding);
}
}
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