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Internals: BeginChildEx tweaks.

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This commit is contained in:
omar 2018-07-05 09:17:16 +02:00
parent 7b2662d245
commit 0146f4b456
1 changed files with 22 additions and 18 deletions
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40
imgui.cpp
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@ -891,6 +891,8 @@ static bool DataTypeApplyOpFromText(const char* buf, const char* ini
namespace ImGui
{
static bool BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, bool border, ImGuiWindowFlags flags);
static void NavUpdate();
static void NavUpdateWindowing();
static void NavProcessItem(ImGuiWindow* window, const ImRect& nav_bb, const ImGuiID id);
@ -5465,45 +5467,47 @@ bool ImGui::BeginPopupContextVoid(const char* str_id, int mouse_button)
return BeginPopupEx(id, ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoSavedSettings);
}
static bool BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, bool border, ImGuiWindowFlags extra_flags)
static bool ImGui::BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, bool border, ImGuiWindowFlags flags)
{
ImGuiContext& g = *GImGui;
ImGuiWindow* parent_window = ImGui::GetCurrentWindow();
ImGuiWindowFlags flags = ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoResize|ImGuiWindowFlags_NoSavedSettings|ImGuiWindowFlags_ChildWindow;
ImGuiWindow* parent_window = g.CurrentWindow;
flags |= ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoResize|ImGuiWindowFlags_NoSavedSettings|ImGuiWindowFlags_ChildWindow;
flags |= (parent_window->Flags & ImGuiWindowFlags_NoMove); // Inherit the NoMove flag
const ImVec2 content_avail = ImGui::GetContentRegionAvail();
// Size
const ImVec2 content_avail = GetContentRegionAvail();
ImVec2 size = ImFloor(size_arg);
const int auto_fit_axises = ((size.x == 0.0f) ? (1 << ImGuiAxis_X) : 0x00) | ((size.y == 0.0f) ? (1 << ImGuiAxis_Y) : 0x00);
if (size.x <= 0.0f)
size.x = ImMax(content_avail.x + size.x, 4.0f); // Arbitrary minimum child size (0.0f causing too much issues)
if (size.y <= 0.0f)
size.y = ImMax(content_avail.y + size.y, 4.0f);
SetNextWindowSize(size);
const float backup_border_size = g.Style.ChildBorderSize;
if (!border)
g.Style.ChildBorderSize = 0.0f;
flags |= extra_flags;
// Name
char title[256];
if (name)
ImFormatString(title, IM_ARRAYSIZE(title), "%s/%s", parent_window->Name, name);
else
ImFormatString(title, IM_ARRAYSIZE(title), "%s/%08X", parent_window->Name, id);
ImGui::SetNextWindowSize(size);
bool ret = ImGui::Begin(title, NULL, flags);
ImGuiWindow* child_window = ImGui::GetCurrentWindow();
child_window->ChildId = id;
child_window->AutoFitChildAxises = auto_fit_axises;
const float backup_border_size = g.Style.ChildBorderSize;
if (!border)
g.Style.ChildBorderSize = 0.0f;
bool ret = Begin(title, NULL, flags);
g.Style.ChildBorderSize = backup_border_size;
ImGuiWindow* child_window = g.CurrentWindow;
child_window->ChildId = id;
child_window->AutoFitChildAxises = auto_fit_axises;
// Process navigation-in immediately so NavInit can run on first frame
if (!(flags & ImGuiWindowFlags_NavFlattened) && (child_window->DC.NavLayerActiveMask != 0 || child_window->DC.NavHasScroll) && g.NavActivateId == id)
if (g.NavActivateId == id && !(flags & ImGuiWindowFlags_NavFlattened) && (child_window->DC.NavLayerActiveMask != 0 || child_window->DC.NavHasScroll))
{
ImGui::FocusWindow(child_window);
ImGui::NavInitWindow(child_window, false);
ImGui::SetActiveID(id+1, child_window); // Steal ActiveId with a dummy id so that key-press won't activate child item
FocusWindow(child_window);
NavInitWindow(child_window, false);
SetActiveID(id+1, child_window); // Steal ActiveId with a dummy id so that key-press won't activate child item
g.ActiveIdSource = ImGuiInputSource_Nav;
}