Internals: Added Name to ImGuiDataTypeInfo + minor misc comments in BeginGroup().

This commit is contained in:
ocornut 2020-08-26 20:50:19 +02:00
parent 45499b8f2f
commit 093afd4f7f
3 changed files with 20 additions and 18 deletions

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@ -7271,10 +7271,11 @@ float ImGui::GetWindowContentRegionWidth()
} }
// Lock horizontal starting position + capture group bounding box into one "item" (so you can use IsItemHovered() or layout primitives such as SameLine() on whole group, etc.) // Lock horizontal starting position + capture group bounding box into one "item" (so you can use IsItemHovered() or layout primitives such as SameLine() on whole group, etc.)
// Groups are currently a mishmash of functionalities which should perhaps be clarified and separated.
void ImGui::BeginGroup() void ImGui::BeginGroup()
{ {
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
ImGuiWindow* window = GetCurrentWindow(); ImGuiWindow* window = g.CurrentWindow;
window->DC.GroupStack.resize(window->DC.GroupStack.Size + 1); window->DC.GroupStack.resize(window->DC.GroupStack.Size + 1);
ImGuiGroupData& group_data = window->DC.GroupStack.back(); ImGuiGroupData& group_data = window->DC.GroupStack.back();
@ -7299,8 +7300,8 @@ void ImGui::BeginGroup()
void ImGui::EndGroup() void ImGui::EndGroup()
{ {
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
ImGuiWindow* window = GetCurrentWindow(); ImGuiWindow* window = g.CurrentWindow;
IM_ASSERT(!window->DC.GroupStack.empty()); // Mismatched BeginGroup()/EndGroup() calls IM_ASSERT(window->DC.GroupStack.Size > 0); // Mismatched BeginGroup()/EndGroup() calls
ImGuiGroupData& group_data = window->DC.GroupStack.back(); ImGuiGroupData& group_data = window->DC.GroupStack.back();
@ -7328,9 +7329,9 @@ void ImGui::EndGroup()
// If the current ActiveId was declared within the boundary of our group, we copy it to LastItemId so IsItemActive(), IsItemDeactivated() etc. will be functional on the entire group. // If the current ActiveId was declared within the boundary of our group, we copy it to LastItemId so IsItemActive(), IsItemDeactivated() etc. will be functional on the entire group.
// It would be be neater if we replaced window.DC.LastItemId by e.g. 'bool LastItemIsActive', but would put a little more burden on individual widgets. // It would be be neater if we replaced window.DC.LastItemId by e.g. 'bool LastItemIsActive', but would put a little more burden on individual widgets.
// Also if you grep for LastItemId you'll notice it is only used in that context. // Also if you grep for LastItemId you'll notice it is only used in that context.
// (The tests not symmetrical because ActiveIdIsAlive is an ID itself, in order to be able to handle ActiveId being overwritten during the frame.) // (The two tests not the same because ActiveIdIsAlive is an ID itself, in order to be able to handle ActiveId being overwritten during the frame.)
const bool group_contains_curr_active_id = (group_data.BackupActiveIdIsAlive != g.ActiveId) && (g.ActiveIdIsAlive == g.ActiveId) && g.ActiveId; const bool group_contains_curr_active_id = (group_data.BackupActiveIdIsAlive != g.ActiveId) && (g.ActiveIdIsAlive == g.ActiveId) && g.ActiveId;
const bool group_contains_prev_active_id = !group_data.BackupActiveIdPreviousFrameIsAlive && g.ActiveIdPreviousFrameIsAlive; const bool group_contains_prev_active_id = (group_data.BackupActiveIdPreviousFrameIsAlive == false) && (g.ActiveIdPreviousFrameIsAlive == true);
if (group_contains_curr_active_id) if (group_contains_curr_active_id)
window->DC.LastItemId = g.ActiveId; window->DC.LastItemId = g.ActiveId;
else if (group_contains_prev_active_id) else if (group_contains_prev_active_id)

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@ -786,7 +786,8 @@ struct ImGuiDataTypeTempStorage
// Type information associated to one ImGuiDataType. Retrieve with DataTypeGetInfo(). // Type information associated to one ImGuiDataType. Retrieve with DataTypeGetInfo().
struct ImGuiDataTypeInfo struct ImGuiDataTypeInfo
{ {
size_t Size; // Size in byte size_t Size; // Size in bytes
const char* Name; // Short descriptive name for the type, for debugging
const char* PrintFmt; // Default printf format for the type const char* PrintFmt; // Default printf format for the type
const char* ScanFmt; // Default scanf format for the type const char* ScanFmt; // Default scanf format for the type
}; };

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@ -1687,21 +1687,21 @@ bool ImGui::Combo(const char* label, int* current_item, const char* items_separa
static const ImGuiDataTypeInfo GDataTypeInfo[] = static const ImGuiDataTypeInfo GDataTypeInfo[] =
{ {
{ sizeof(char), "%d", "%d" }, // ImGuiDataType_S8 { sizeof(char), "S8", "%d", "%d" }, // ImGuiDataType_S8
{ sizeof(unsigned char), "%u", "%u" }, { sizeof(unsigned char), "U8", "%u", "%u" },
{ sizeof(short), "%d", "%d" }, // ImGuiDataType_S16 { sizeof(short), "S16", "%d", "%d" }, // ImGuiDataType_S16
{ sizeof(unsigned short), "%u", "%u" }, { sizeof(unsigned short), "U16", "%u", "%u" },
{ sizeof(int), "%d", "%d" }, // ImGuiDataType_S32 { sizeof(int), "S32", "%d", "%d" }, // ImGuiDataType_S32
{ sizeof(unsigned int), "%u", "%u" }, { sizeof(unsigned int), "U32", "%u", "%u" },
#ifdef _MSC_VER #ifdef _MSC_VER
{ sizeof(ImS64), "%I64d","%I64d" }, // ImGuiDataType_S64 { sizeof(ImS64), "S64", "%I64d","%I64d" }, // ImGuiDataType_S64
{ sizeof(ImU64), "%I64u","%I64u" }, { sizeof(ImU64), "U64", "%I64u","%I64u" },
#else #else
{ sizeof(ImS64), "%lld", "%lld" }, // ImGuiDataType_S64 { sizeof(ImS64), "S64", "%lld", "%lld" }, // ImGuiDataType_S64
{ sizeof(ImU64), "%llu", "%llu" }, { sizeof(ImU64), "U64", "%llu", "%llu" },
#endif #endif
{ sizeof(float), "%f", "%f" }, // ImGuiDataType_Float (float are promoted to double in va_arg) { sizeof(float), "float", "%f", "%f" }, // ImGuiDataType_Float (float are promoted to double in va_arg)
{ sizeof(double), "%f", "%lf" }, // ImGuiDataType_Double { sizeof(double), "double","%f", "%lf" }, // ImGuiDataType_Double
}; };
IM_STATIC_ASSERT(IM_ARRAYSIZE(GDataTypeInfo) == ImGuiDataType_COUNT); IM_STATIC_ASSERT(IM_ARRAYSIZE(GDataTypeInfo) == ImGuiDataType_COUNT);