raze-gles/source/common/optionmenu/optionmenu.cpp

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#include "imgui.h"
#include "v_draw.h"
#include "gamecvars.h"
#include "c_buttons.h"
#include "c_bind.h"
#include "inputstate.h"
FString activeCommand;
void sendKeyForBinding(int key)
{
Bindings.DoBind(KeyName(key), activeCommand);
GUICapture &= ~8;
}
bool ShowOptionMenu()
{
bool isOpen = true;
int w = screen->GetWidth(), h = screen->GetHeight();
double scale;
if (w >= 1024 && h >= 768)
{
scale = 1;
ImGui::SetNextWindowPos(ImVec2((w-1024)/2, (h-768)/2), ImGuiCond_Always);
ImGui::SetNextWindowSize(ImVec2(1024, 768), ImGuiCond_Always);
}
else
{
// This should use a smaller font!
scale = 640.0/1024.0;
ImGui::SetNextWindowPos(ImVec2((w-640)/2, (h-480)/2), ImGuiCond_Always);
ImGui::SetNextWindowSize(ImVec2(640, 480), ImGuiCond_Always);
}
const int window_flags = ImGuiWindowFlags_MenuBar | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoResize;
// Main body of the Demo window starts here.
if (!ImGui::Begin("Customize Controls", &isOpen, window_flags))
{
// Early out if the window is collapsed, as an optimization.
ImGui::End();
return false;
}
FString emptiness = " ";
for (int i = 0; i < NUMGAMEFUNCTIONS; i++)
{
FString al = buttonMap.GetButtonAlias(i);
FString cmd = "+" + al;
if (al.IsNotEmpty())
{
al.Substitute('_', ' ');
ImGui::Text(al.GetChars());
ImGui::SameLine(300*scale);
al = buttonMap.GetButtonName(i);
auto binds = Bindings.GetKeysForCommand(cmd);
al = C_NameKeys(binds.Data(), binds.Size());
// This looks like an ImGui bug - it doesn't like two identically labelled buttons on the same page, it seems.
// Work around this by using strings with different numbers of spaces. Stupid but effective.
if (al.IsEmpty()) { al = emptiness; emptiness << " "; }
if (ImGui::Button(al, ImVec2(450 * scale, 0)))
{
activeCommand = cmd;
ImGui::OpenPopup("Bind");
}
}
}
if (ImGui::BeginPopupModal("Bind", NULL, ImGuiWindowFlags_AlwaysAutoResize))
{
auto binds = Bindings.GetKeysForCommand(activeCommand);
auto al = C_NameKeys(binds.Data(), binds.Size());
ImGui::Text("Press 'bind' to enter binding mode or\n'delete' to clear all bindings for this action\n\nCurrently bound to this action:\n%s\n\n", al.GetChars());
ImGui::Separator();
if (ImGui::Button("Done", ImVec2(120, 0))) { ImGui::CloseCurrentPopup(); }
ImGui::SetItemDefaultFocus();
ImGui::SameLine();
if (ImGui::Button("Clear", ImVec2(120, 0))) { Bindings.UnbindACommand(activeCommand); }
ImGui::SameLine();
if (ImGui::Button("Bind", ImVec2(120, 0)))
{
// Todo: Set event handler to binding mode.
// Wait for a bound key to arrive and add to the current command.
GUICapture |= 8;
}
ImGui::EndPopup();
}
ImGui::End();
return isOpen;
}