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Added ImGuiBackendFlags for backend to expose its capabilities. Added ImGuiBackendFlags_HasGamepad. (#787, #1542)

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omar
2018-03-20 20:39:44 +01:00
parent 170f44e6f0
commit dcf7c3d188
4 changed files with 31 additions and 14 deletions
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12
imgui.cpp
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@ -224,7 +224,8 @@
- or query focus information with e.g. IsWindowFocused(), IsItemFocused() etc. functions.
Please reach out if you think the game vs navigation input sharing could be improved.
- Gamepad:
- Set io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad to enable. Fill the io.NavInputs[] fields before calling NewFrame(). Note that io.NavInputs[] is cleared by EndFrame().
- Set io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad to enable.
- Backend: Set io.BackendFlags |= ImGuiBackendFlags_HasGamepad + fill the io.NavInputs[] fields before calling NewFrame(). Note that io.NavInputs[] is cleared by EndFrame().
- See 'enum ImGuiNavInput_' in imgui.h for a description of inputs. For each entry of io.NavInputs[], set the following values:
0.0f= not held. 1.0f= fully held. Pass intermediate 0.0f..1.0f values for analog triggers/sticks.
- We uses a simple >0.0f test for activation testing, and won't attempt to test for a dead-zone.
@ -846,9 +847,10 @@ ImGuiIO::ImGuiIO()
memset(this, 0, sizeof(*this));
// Settings
ConfigFlags = 0x00;
BackendFlags = 0x00;
DisplaySize = ImVec2(-1.0f, -1.0f);
DeltaTime = 1.0f/60.0f;
ConfigFlags = 0x00;
IniSavingRate = 5.0f;
IniFilename = "imgui.ini";
LogFilename = "imgui_log.txt";
@ -2958,7 +2960,7 @@ static void ImGui::NavUpdate()
if (g.NavScoringCount > 0) printf("[%05d] NavScoringCount %d for '%s' layer %d (Init:%d, Move:%d)\n", g.FrameCount, g.NavScoringCount, g.NavWindow ? g.NavWindow->Name : "NULL", g.NavLayer, g.NavInitRequest || g.NavInitResultId != 0, g.NavMoveRequest);
#endif
if (g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableGamepad)
if ((g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableGamepad) && (g.IO.BackendFlags & ImGuiBackendFlags_HasGamepad))
if (g.IO.NavInputs[ImGuiNavInput_Activate] > 0.0f || g.IO.NavInputs[ImGuiNavInput_Input] > 0.0f || g.IO.NavInputs[ImGuiNavInput_Cancel] > 0.0f || g.IO.NavInputs[ImGuiNavInput_Menu] > 0.0f)
g.NavInputSource = ImGuiInputSource_NavGamepad;
@ -3055,7 +3057,9 @@ static void ImGui::NavUpdate()
NavUpdateWindowing();
// Set output flags for user application
g.IO.NavActive = (g.IO.ConfigFlags & (ImGuiConfigFlags_NavEnableGamepad | ImGuiConfigFlags_NavEnableKeyboard)) && g.NavWindow && !(g.NavWindow->Flags & ImGuiWindowFlags_NoNavInputs);
bool nav_keyboard_active = (g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableKeyboard) != 0;
bool nav_gamepad_active = (g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableGamepad) != 0 && (g.IO.BackendFlags & ImGuiBackendFlags_HasGamepad) != 0;
g.IO.NavActive = (nav_keyboard_active || nav_gamepad_active) && g.NavWindow && !(g.NavWindow->Flags & ImGuiWindowFlags_NoNavInputs);
g.IO.NavVisible = (g.IO.NavActive && g.NavId != 0 && !g.NavDisableHighlight) || (g.NavWindowingTarget != NULL) || g.NavInitRequest;
// Process NavCancel input (to close a popup, get back to parent, clear focus)