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Examples: Extracted gamepad code into ImGui_ImplGlfw_UpdateGamepads(). Renamed matching Win32 function for consistency.

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Added more link to nothing's oversample document. Spacing bits.
This commit is contained in:
omar 2019-02-14 18:55:08 +01:00
parent 3c07ec6a61
commit 93d1179805
5 changed files with 53 additions and 44 deletions
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70
examples/imgui_impl_glfw.cpp
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@ -265,6 +265,43 @@ static void ImGui_ImplGlfw_UpdateMouseCursor()
}
}
static void ImGui_ImplGlfw_UpdateGamepads()
{
ImGuiIO& io = ImGui::GetIO();
memset(io.NavInputs, 0, sizeof(io.NavInputs));
if ((io.ConfigFlags & ImGuiConfigFlags_NavEnableGamepad) == 0)
return;
// Update gamepad inputs
#define MAP_BUTTON(NAV_NO, BUTTON_NO) { if (buttons_count > BUTTON_NO && buttons[BUTTON_NO] == GLFW_PRESS) io.NavInputs[NAV_NO] = 1.0f; }
#define MAP_ANALOG(NAV_NO, AXIS_NO, V0, V1) { float v = (axes_count > AXIS_NO) ? axes[AXIS_NO] : V0; v = (v - V0) / (V1 - V0); if (v > 1.0f) v = 1.0f; if (io.NavInputs[NAV_NO] < v) io.NavInputs[NAV_NO] = v; }
int axes_count = 0, buttons_count = 0;
const float* axes = glfwGetJoystickAxes(GLFW_JOYSTICK_1, &axes_count);
const unsigned char* buttons = glfwGetJoystickButtons(GLFW_JOYSTICK_1, &buttons_count);
MAP_BUTTON(ImGuiNavInput_Activate, 0); // Cross / A
MAP_BUTTON(ImGuiNavInput_Cancel, 1); // Circle / B
MAP_BUTTON(ImGuiNavInput_Menu, 2); // Square / X
MAP_BUTTON(ImGuiNavInput_Input, 3); // Triangle / Y
MAP_BUTTON(ImGuiNavInput_DpadLeft, 13); // D-Pad Left
MAP_BUTTON(ImGuiNavInput_DpadRight, 11); // D-Pad Right
MAP_BUTTON(ImGuiNavInput_DpadUp, 10); // D-Pad Up
MAP_BUTTON(ImGuiNavInput_DpadDown, 12); // D-Pad Down
MAP_BUTTON(ImGuiNavInput_FocusPrev, 4); // L1 / LB
MAP_BUTTON(ImGuiNavInput_FocusNext, 5); // R1 / RB
MAP_BUTTON(ImGuiNavInput_TweakSlow, 4); // L1 / LB
MAP_BUTTON(ImGuiNavInput_TweakFast, 5); // R1 / RB
MAP_ANALOG(ImGuiNavInput_LStickLeft, 0, -0.3f, -0.9f);
MAP_ANALOG(ImGuiNavInput_LStickRight,0, +0.3f, +0.9f);
MAP_ANALOG(ImGuiNavInput_LStickUp, 1, +0.3f, +0.9f);
MAP_ANALOG(ImGuiNavInput_LStickDown, 1, -0.3f, -0.9f);
#undef MAP_BUTTON
#undef MAP_ANALOG
if (axes_count > 0 && buttons_count > 0)
io.BackendFlags |= ImGuiBackendFlags_HasGamepad;
else
io.BackendFlags &= ~ImGuiBackendFlags_HasGamepad;
}
void ImGui_ImplGlfw_NewFrame()
{
ImGuiIO& io = ImGui::GetIO();
@ -287,36 +324,5 @@ void ImGui_ImplGlfw_NewFrame()
ImGui_ImplGlfw_UpdateMouseCursor();
// Gamepad navigation mapping
memset(io.NavInputs, 0, sizeof(io.NavInputs));
if (io.ConfigFlags & ImGuiConfigFlags_NavEnableGamepad)
{
// Update gamepad inputs
#define MAP_BUTTON(NAV_NO, BUTTON_NO) { if (buttons_count > BUTTON_NO && buttons[BUTTON_NO] == GLFW_PRESS) io.NavInputs[NAV_NO] = 1.0f; }
#define MAP_ANALOG(NAV_NO, AXIS_NO, V0, V1) { float v = (axes_count > AXIS_NO) ? axes[AXIS_NO] : V0; v = (v - V0) / (V1 - V0); if (v > 1.0f) v = 1.0f; if (io.NavInputs[NAV_NO] < v) io.NavInputs[NAV_NO] = v; }
int axes_count = 0, buttons_count = 0;
const float* axes = glfwGetJoystickAxes(GLFW_JOYSTICK_1, &axes_count);
const unsigned char* buttons = glfwGetJoystickButtons(GLFW_JOYSTICK_1, &buttons_count);
MAP_BUTTON(ImGuiNavInput_Activate, 0); // Cross / A
MAP_BUTTON(ImGuiNavInput_Cancel, 1); // Circle / B
MAP_BUTTON(ImGuiNavInput_Menu, 2); // Square / X
MAP_BUTTON(ImGuiNavInput_Input, 3); // Triangle / Y
MAP_BUTTON(ImGuiNavInput_DpadLeft, 13); // D-Pad Left
MAP_BUTTON(ImGuiNavInput_DpadRight, 11); // D-Pad Right
MAP_BUTTON(ImGuiNavInput_DpadUp, 10); // D-Pad Up
MAP_BUTTON(ImGuiNavInput_DpadDown, 12); // D-Pad Down
MAP_BUTTON(ImGuiNavInput_FocusPrev, 4); // L1 / LB
MAP_BUTTON(ImGuiNavInput_FocusNext, 5); // R1 / RB
MAP_BUTTON(ImGuiNavInput_TweakSlow, 4); // L1 / LB
MAP_BUTTON(ImGuiNavInput_TweakFast, 5); // R1 / RB
MAP_ANALOG(ImGuiNavInput_LStickLeft, 0, -0.3f, -0.9f);
MAP_ANALOG(ImGuiNavInput_LStickRight,0, +0.3f, +0.9f);
MAP_ANALOG(ImGuiNavInput_LStickUp, 1, +0.3f, +0.9f);
MAP_ANALOG(ImGuiNavInput_LStickDown, 1, -0.3f, -0.9f);
#undef MAP_BUTTON
#undef MAP_ANALOG
if (axes_count > 0 && buttons_count > 0)
io.BackendFlags |= ImGuiBackendFlags_HasGamepad;
else
io.BackendFlags &= ~ImGuiBackendFlags_HasGamepad;
}
ImGui_ImplGlfw_UpdateGamepads();
}

4
examples/imgui_impl_win32.cpp
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@ -150,7 +150,7 @@ static void ImGui_ImplWin32_UpdateMousePos()
#endif
// Gamepad navigation mapping
void ImGui_ImplWin32_UpdateGameControllers()
static void ImGui_ImplWin32_UpdateGamepads()
{
ImGuiIO& io = ImGui::GetIO();
memset(io.NavInputs, 0, sizeof(io.NavInputs));
@ -231,7 +231,7 @@ void ImGui_ImplWin32_NewFrame()
}
// Update game controllers (if available)
ImGui_ImplWin32_UpdateGameControllers();
ImGui_ImplWin32_UpdateGamepads();
}
// Allow compilation with old Windows SDK. MinGW doesn't have default _WIN32_WINNT/WINVER versions.

2
imgui_draw.cpp
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@ -1361,7 +1361,7 @@ ImFontConfig::ImFontConfig()
FontDataOwnedByAtlas = true;
FontNo = 0;
SizePixels = 0.0f;
OversampleH = 3;
OversampleH = 3; // FIXME: 2 may be a better default?
OversampleV = 1;
PixelSnapH = false;
GlyphExtraSpacing = ImVec2(0.0f, 0.0f);

14
imgui_internal.h
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@ -349,13 +349,13 @@ enum ImGuiSeparatorFlags_
// This is going to be exposed in imgui.h when stabilized enough.
enum ImGuiItemFlags_
{
ImGuiItemFlags_NoTabStop = 1 << 0, // false
ImGuiItemFlags_ButtonRepeat = 1 << 1, // false // Button() will return true multiple times based on io.KeyRepeatDelay and io.KeyRepeatRate settings.
ImGuiItemFlags_Disabled = 1 << 2, // false // [BETA] Disable interactions but doesn't affect visuals yet. See github.com/ocornut/imgui/issues/211
ImGuiItemFlags_NoNav = 1 << 3, // false
ImGuiItemFlags_NoNavDefaultFocus = 1 << 4, // false
ImGuiItemFlags_SelectableDontClosePopup = 1 << 5, // false // MenuItem/Selectable() automatically closes current Popup window
ImGuiItemFlags_Default_ = 0
ImGuiItemFlags_NoTabStop = 1 << 0, // false
ImGuiItemFlags_ButtonRepeat = 1 << 1, // false // Button() will return true multiple times based on io.KeyRepeatDelay and io.KeyRepeatRate settings.
ImGuiItemFlags_Disabled = 1 << 2, // false // [BETA] Disable interactions but doesn't affect visuals yet. See github.com/ocornut/imgui/issues/211
ImGuiItemFlags_NoNav = 1 << 3, // false
ImGuiItemFlags_NoNavDefaultFocus = 1 << 4, // false
ImGuiItemFlags_SelectableDontClosePopup = 1 << 5, // false // MenuItem/Selectable() automatically closes current Popup window
ImGuiItemFlags_Default_ = 0
};
// Storage for LastItem data

7
misc/fonts/README.txt
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@ -25,7 +25,7 @@ If you have other loading/merging/adding fonts, you can post on the Dear ImGui "
- Building Custom Glyph Ranges
- Embedding Fonts in Source Code
- Credits/Licences for fonts included in this folder
- Links, Other fonts
- Fonts Links
---------------------------------------
@ -106,11 +106,14 @@ Load .TTF/.OTF file with:
For advanced options create a ImFontConfig structure and pass it to the AddFont function (it will be copied internally):
ImFontConfig config;
config.OversampleH = 3;
config.OversampleH = 2;
config.OversampleV = 1;
config.GlyphExtraSpacing.x = 1.0f;
ImFont* font = io.Fonts->AddFontFromFileTTF("font.ttf", size_pixels, &config);
Read about oversampling here:
https://github.com/nothings/stb/blob/master/tests/oversample
If you have very large number of glyphs or multiple fonts, the texture may become too big for your graphics API.
The typical result of failing to upload a texture is if every glyphs appears as white rectangles.
In particular, using a large range such as GetGlyphRangesChineseSimplifiedCommon() is not recommended unless you