Cool_Tools/ImHex
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Code Releases Wiki Activity

Added a help window

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This commit is contained in:
WerWolv 2020-11-14 21:16:03 +01:00
parent d9f5a974cb
commit c758eb244b
4 changed files with 201 additions and 0 deletions
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1
CMakeLists.txt
View File

@ -26,6 +26,7 @@ add_executable(ImHex
source/views/view_pattern_data.cpp
source/views/view_hashes.cpp
source/views/view_information.cpp
source/views/view_help.cpp
libs/glad/source/glad.c

33
include/views/view_help.hpp Normal file
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@ -0,0 +1,33 @@
#pragma once
#include <hex.hpp>
#include "imgui.h"
#include "views/view.hpp"
#include "views/pattern_data.hpp"
#include <vector>
#include <tuple>
#include <cstdio>
namespace hex {
namespace prv { class Provider; }
class ViewHelp : public View {
public:
ViewHelp();
~ViewHelp() override;
void createView() override;
void createMenu() override;
private:
bool m_aboutWindowOpen = false;
bool m_patternHelpWindowOpen = false;
void drawAboutPopup();
void drawPatternHelpPopup();
};
}

2
source/main.cpp
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@ -6,6 +6,7 @@
#include "views/view_pattern_data.hpp"
#include "views/view_hashes.hpp"
#include "views/view_information.hpp"
#include "views/view_help.hpp"
#include "providers/provider.hpp"
@ -24,6 +25,7 @@ int main() {
window.addView<hex::ViewPatternData>(dataProvider, patternData);
window.addView<hex::ViewHashes>(dataProvider);
window.addView<hex::ViewInformation>(dataProvider);
window.addView<hex::ViewHelp>();
window.loop();

165
source/views/view_help.cpp Normal file
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@ -0,0 +1,165 @@
#include "views/view_help.hpp"
namespace hex {
ViewHelp::ViewHelp() {
}
ViewHelp::~ViewHelp() {
}
void ViewHelp::drawAboutPopup() {
ImGui::OpenPopup("About");
ImGui::SetNextWindowSizeConstraints(ImVec2(450, 300), ImVec2(450, 300));
if (ImGui::BeginPopupModal("About", &this->m_aboutWindowOpen, ImGuiWindowFlags_NoResize)) {
ImGui::Text("ImHex Hex Editor");
ImGui::Text("by WerWolv");
ImGui::Separator();
ImGui::NewLine();
ImGui::Text("Source code found at"); ImGui::SameLine();
ImGui::TextColored(ImVec4(0.4F, 0.4F, 0.8F, 1.0F), "https://github.com/WerWolv/ImHex");
ImGui::NewLine();
ImGui::Separator();
ImGui::Text("Libraries used");
ImGui::PushStyleColor(ImGuiCol_ChildBg, ImVec4(0.2F, 0.2F, 0.2F, 0.3F));
ImGui::BeginChild("##scroll");
ImGui::NewLine();
ImGui::BulletText("ImGui by ocornut");
ImGui::BulletText("imgui_club by ocornut");
ImGui::BulletText("imgui-filebrowser by AirGuanZ");
ImGui::NewLine();
ImGui::BulletText("GNU libmagic");
ImGui::BulletText("OpenSSL libcrypto");
ImGui::BulletText("GLFW3");
ImGui::EndChild();
ImGui::PopStyleColor();
ImGui::EndPopup();
}
}
void ViewHelp::drawPatternHelpPopup() {
ImGui::OpenPopup("PatternLanguage");
ImGui::SetNextWindowSizeConstraints(ImVec2(450, 300), ImVec2(450, 300));
constexpr static auto DrawTitle = [](const std::string &title) {
ImGui::TextColored(ImVec4(0.6F, 0.6F, 1.0F, 1.0F), title.c_str());
};
constexpr static auto DrawCodeSegment = [](const std::string &id, size_t height, const std::string &code) {
ImGui::PushStyleColor(ImGuiCol_ChildBg, ImVec4(0.2F, 0.2F, 0.2F, 0.3F));
ImGui::NewLine();
ImGui::BeginChild(id.c_str(), ImVec2(-1, height));
ImGui::Text("%s", code.c_str());
ImGui::EndChild();
ImGui::NewLine();
ImGui::PopStyleColor();
};
ImGui::SetNextWindowSizeConstraints(ImVec2(450, 300), ImVec2(2000, 1000));
if (ImGui::BeginPopupModal("PatternLanguage", &this->m_patternHelpWindowOpen)) {
ImGui::Text("ImHex Pattern Language Cheat Sheet");
ImGui::Separator();
ImGui::NewLine();
DrawTitle("Built-in types");
ImGui::TextWrapped(
"The following built-in types are available for use");
DrawCodeSegment("built-in", 80,
"u8, s8\n"
"u16, s16\n"
"u32, s32\n"
"u64, s64\n"
"u128, s128\n"
"float, double"
);
DrawTitle("Variables and Arrays");
ImGui::TextWrapped(
"Normal variables as well as arrays are used to highlight and display values.");
DrawCodeSegment("vars arrays", 30,
"u32 variable;\n"
"s8 string[16];"
);
DrawTitle("Structs");
ImGui::TextWrapped(
"To bundle multiple variables together, a struct can be used.");
DrawCodeSegment("struct", 70,
"struct Header {\n"
" u32 magic;\n"
" u8 version;\n"
" Flags flags;\n"
"}"
);
DrawTitle("Enum");
ImGui::TextWrapped(
"If a value can only be a few specific values with special meaning, an enum can be used. "
"The underlying type has to be specified using a unsigned, built-in type after the name. "
"Entries can be listed with or without a value. The values start counting at zero and increase by one "
"for every next entry");
DrawCodeSegment("enum", 70,
"enum OperatingSystem : u8 {\n"
" Windows = 0x10,\n"
" MacOSX,\n"
" Linux\n"
"}"
);
DrawTitle("Using declarations");
ImGui::TextWrapped(
"A using declaration can be used to create type aliases for already existing types. This can be "
"a built-in type, a struct, enum or another alias type.");
DrawCodeSegment("using", 15,
"using magic_t = u32;"
);
DrawTitle("Comments");
ImGui::TextWrapped(
"To create a comment the C // or /* */ syntax can be used. //-style comments end at the next new line "
"and /*-style comments only end when at the next */.");
DrawCodeSegment("comment", 55,
"// This is a single line comment\n\n"
"/* This is a\n"
"multiline comment */"
);
DrawTitle("Variable placement");
ImGui::TextWrapped(
"In order to highlight bytes and displaying their value in the pattern data window, "
"a variable needs to be created and placed in memory. The following line of code creates"
"a unsigned 32 bit variable named data and places it at offset 0x100."
);
DrawCodeSegment("var placement", 15, "u32 data @ 0x100;");
ImGui::EndPopup();
}
}
void ViewHelp::createView() {
if (this->m_aboutWindowOpen)
drawAboutPopup();
if (this->m_patternHelpWindowOpen)
drawPatternHelpPopup();
}
void ViewHelp::createMenu() {
if (ImGui::BeginMenu("Help")) {
if (ImGui::MenuItem("About", ""))
this->m_aboutWindowOpen = true;
ImGui::Separator();
if (ImGui::MenuItem("Pattern Language Cheat Sheet", ""))
this->m_patternHelpWindowOpen = true;
ImGui::EndMenu();
}
}
}