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Internals: Renaming and marking of legacy focus/tabbing system

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This commit is contained in:
omar 2020-01-13 15:21:37 +01:00
parent 52334ad8df
commit 02c2d18aa3
3 changed files with 31 additions and 31 deletions
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40
imgui.cpp
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@ -3080,24 +3080,24 @@ bool ImGui::FocusableItemRegister(ImGuiWindow* window, ImGuiID id)
// Increment counters
const bool is_tab_stop = (window->DC.ItemFlags & (ImGuiItemFlags_NoTabStop | ImGuiItemFlags_Disabled)) == 0;
window->DC.FocusCounterAll++;
window->DC.FocusCounterRegular++;
if (is_tab_stop)
window->DC.FocusCounterTab++;
window->DC.FocusCounterTabStop++;
// Process TAB/Shift-TAB to tab *OUT* of the currently focused item.
// (Note that we can always TAB out of a widget that doesn't allow tabbing in)
if (g.ActiveId == id && g.FocusTabPressed && !IsActiveIdUsingKey(ImGuiKey_Tab) && g.FocusRequestNextWindow == NULL)
{
g.FocusRequestNextWindow = window;
g.FocusRequestNextCounterTab = window->DC.FocusCounterTab + (g.IO.KeyShift ? (is_tab_stop ? -1 : 0) : +1); // Modulo on index will be applied at the end of frame once we've got the total counter of items.
g.FocusRequestNextCounterTabStop = window->DC.FocusCounterTabStop + (g.IO.KeyShift ? (is_tab_stop ? -1 : 0) : +1); // Modulo on index will be applied at the end of frame once we've got the total counter of items.
}
// Handle focus requests
if (g.FocusRequestCurrWindow == window)
{
if (window->DC.FocusCounterAll == g.FocusRequestCurrCounterAll)
if (window->DC.FocusCounterRegular == g.FocusRequestCurrCounterRegular)
return true;
if (is_tab_stop && window->DC.FocusCounterTab == g.FocusRequestCurrCounterTab)
if (is_tab_stop && window->DC.FocusCounterTabStop == g.FocusRequestCurrCounterTabStop)
{
g.NavJustTabbedId = id;
return true;
@ -3113,8 +3113,8 @@ bool ImGui::FocusableItemRegister(ImGuiWindow* window, ImGuiID id)
void ImGui::FocusableItemUnregister(ImGuiWindow* window)
{
window->DC.FocusCounterAll--;
window->DC.FocusCounterTab--;
window->DC.FocusCounterRegular--;
window->DC.FocusCounterTabStop--;
}
float ImGui::CalcWrapWidthForPos(const ImVec2& pos, float wrap_pos_x)
@ -3767,26 +3767,26 @@ void ImGui::NewFrame()
// Note that SetKeyboardFocusHere() sets the Next fields mid-frame. To be consistent we also
// manipulate the Next fields even, even though they will be turned into Curr fields by the code below.
g.FocusRequestNextWindow = g.NavWindow;
g.FocusRequestNextCounterAll = INT_MAX;
g.FocusRequestNextCounterRegular = INT_MAX;
if (g.NavId != 0 && g.NavIdTabCounter != INT_MAX)
g.FocusRequestNextCounterTab = g.NavIdTabCounter + 1 + (g.IO.KeyShift ? -1 : 1);
g.FocusRequestNextCounterTabStop = g.NavIdTabCounter + 1 + (g.IO.KeyShift ? -1 : 1);
else
g.FocusRequestNextCounterTab = g.IO.KeyShift ? -1 : 0;
g.FocusRequestNextCounterTabStop = g.IO.KeyShift ? -1 : 0;
}
// Turn queued focus request into current one
g.FocusRequestCurrWindow = NULL;
g.FocusRequestCurrCounterAll = g.FocusRequestCurrCounterTab = INT_MAX;
g.FocusRequestCurrCounterRegular = g.FocusRequestCurrCounterTabStop = INT_MAX;
if (g.FocusRequestNextWindow != NULL)
{
ImGuiWindow* window = g.FocusRequestNextWindow;
g.FocusRequestCurrWindow = window;
if (g.FocusRequestNextCounterAll != INT_MAX && window->DC.FocusCounterAll != -1)
g.FocusRequestCurrCounterAll = ImModPositive(g.FocusRequestNextCounterAll, window->DC.FocusCounterAll + 1);
if (g.FocusRequestNextCounterTab != INT_MAX && window->DC.FocusCounterTab != -1)
g.FocusRequestCurrCounterTab = ImModPositive(g.FocusRequestNextCounterTab, window->DC.FocusCounterTab + 1);
if (g.FocusRequestNextCounterRegular != INT_MAX && window->DC.FocusCounterRegular != -1)
g.FocusRequestCurrCounterRegular = ImModPositive(g.FocusRequestNextCounterRegular, window->DC.FocusCounterRegular + 1);
if (g.FocusRequestNextCounterTabStop != INT_MAX && window->DC.FocusCounterTabStop != -1)
g.FocusRequestCurrCounterTabStop = ImModPositive(g.FocusRequestNextCounterTabStop, window->DC.FocusCounterTabStop + 1);
g.FocusRequestNextWindow = NULL;
g.FocusRequestNextCounterAll = g.FocusRequestNextCounterTab = INT_MAX;
g.FocusRequestNextCounterRegular = g.FocusRequestNextCounterTabStop = INT_MAX;
}
g.NavIdTabCounter = INT_MAX;
@ -5850,7 +5850,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
window->DC.ChildWindows.resize(0);
window->DC.LayoutType = ImGuiLayoutType_Vertical;
window->DC.ParentLayoutType = parent_window ? parent_window->DC.LayoutType : ImGuiLayoutType_Vertical;
window->DC.FocusCounterAll = window->DC.FocusCounterTab = -1;
window->DC.FocusCounterRegular = window->DC.FocusCounterTabStop = -1;
window->DC.ItemFlags = parent_window ? parent_window->DC.ItemFlags : ImGuiItemFlags_Default_;
window->DC.ItemWidth = window->ItemWidthDefault;
window->DC.TextWrapPos = -1.0f; // disabled
@ -6904,8 +6904,8 @@ void ImGui::SetKeyboardFocusHere(int offset)
ImGuiContext& g = *GImGui;
ImGuiWindow* window = g.CurrentWindow;
g.FocusRequestNextWindow = window;
g.FocusRequestNextCounterAll = window->DC.FocusCounterAll + 1 + offset;
g.FocusRequestNextCounterTab = INT_MAX;
g.FocusRequestNextCounterRegular = window->DC.FocusCounterRegular + 1 + offset;
g.FocusRequestNextCounterTabStop = INT_MAX;
}
void ImGui::SetItemDefaultFocus()
@ -8059,7 +8059,7 @@ static void ImGui::NavProcessItem(ImGuiWindow* window, const ImRect& nav_bb, con
g.NavWindow = window; // Always refresh g.NavWindow, because some operations such as FocusItem() don't have a window.
g.NavLayer = window->DC.NavLayerCurrent;
g.NavIdIsAlive = true;
g.NavIdTabCounter = window->DC.FocusCounterTab;
g.NavIdTabCounter = window->DC.FocusCounterTabStop;
window->NavRectRel[window->DC.NavLayerCurrent] = nav_bb_rel; // Store item bounding box (relative to window position)
}
}

20
imgui_internal.h
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@ -1076,13 +1076,13 @@ struct ImGuiContext
ImGuiNavMoveResult NavMoveResultLocalVisibleSet; // Best move request candidate within NavWindow that are mostly visible (when using ImGuiNavMoveFlags_AlsoScoreVisibleSet flag)
ImGuiNavMoveResult NavMoveResultOther; // Best move request candidate within NavWindow's flattened hierarchy (when using ImGuiWindowFlags_NavFlattened flag)
// Legacy Tabbing system (older than Nav, active even if Nav is disabled, misnamed. FIXME-NAV: This needs a redesign!)
// Legacy Focus/Tabbing system (older than Nav, active even if Nav is disabled, misnamed. FIXME-NAV: This needs a redesign!)
ImGuiWindow* FocusRequestCurrWindow; //
ImGuiWindow* FocusRequestNextWindow; //
int FocusRequestCurrCounterAll; // Any item being requested for focus, stored as an index (we on layout to be stable between the frame pressing TAB and the next frame, semi-ouch)
int FocusRequestCurrCounterTab; // Tab item being requested for focus, stored as an index
int FocusRequestNextCounterAll; // Stored for next frame
int FocusRequestNextCounterTab; // "
int FocusRequestCurrCounterRegular; // Any item being requested for focus, stored as an index (we on layout to be stable between the frame pressing TAB and the next frame, semi-ouch)
int FocusRequestCurrCounterTabStop; // Tab item being requested for focus, stored as an index
int FocusRequestNextCounterRegular; // Stored for next frame
int FocusRequestNextCounterTabStop; // "
bool FocusTabPressed; //
// Range-Select/Multi-Select
@ -1243,8 +1243,8 @@ struct ImGuiContext
NavMoveDir = NavMoveDirLast = NavMoveClipDir = ImGuiDir_None;
FocusRequestCurrWindow = FocusRequestNextWindow = NULL;
FocusRequestCurrCounterAll = FocusRequestCurrCounterTab = INT_MAX;
FocusRequestNextCounterAll = FocusRequestNextCounterTab = INT_MAX;
FocusRequestCurrCounterRegular = FocusRequestCurrCounterTabStop = INT_MAX;
FocusRequestNextCounterRegular = FocusRequestNextCounterTabStop = INT_MAX;
FocusTabPressed = false;
MultiSelectScopeId = 0;
@ -1347,8 +1347,8 @@ struct IMGUI_API ImGuiWindowTempData
ImGuiColumns* CurrentColumns; // Current columns set
ImGuiLayoutType LayoutType;
ImGuiLayoutType ParentLayoutType; // Layout type of parent window at the time of Begin()
int FocusCounterAll; // Counter for focus/tabbing system. Start at -1 and increase as assigned via FocusableItemRegister() (FIXME-NAV: Needs redesign)
int FocusCounterTab; // (same, but only count widgets which you can Tab through)
int FocusCounterRegular; // (Legacy Focus/Tabbing system) Sequential counter, start at -1 and increase as assigned via FocusableItemRegister() (FIXME-NAV: Needs redesign)
int FocusCounterTabStop; // (Legacy Focus/Tabbing system) Same, but only count widgets which you can Tab through.
// Local parameters stacks
// We store the current settings outside of the vectors to increase memory locality (reduce cache misses). The vectors are rarely modified. Also it allows us to not heap allocate for short-lived windows which are not using those settings.
@ -1387,7 +1387,7 @@ struct IMGUI_API ImGuiWindowTempData
StateStorage = NULL;
CurrentColumns = NULL;
LayoutType = ParentLayoutType = ImGuiLayoutType_Vertical;
FocusCounterAll = FocusCounterTab = -1;
FocusCounterRegular = FocusCounterTabStop = -1;
ItemFlags = ImGuiItemFlags_Default_;
ItemWidth = 0.0f;

2
imgui_widgets.cpp
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@ -3458,7 +3458,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
state = &g.InputTextState;
const bool focus_requested = FocusableItemRegister(window, id);
const bool focus_requested_by_code = focus_requested && (g.FocusRequestCurrWindow == window && g.FocusRequestCurrCounterAll == window->DC.FocusCounterAll);
const bool focus_requested_by_code = focus_requested && (g.FocusRequestCurrWindow == window && g.FocusRequestCurrCounterRegular == window->DC.FocusCounterRegular);
const bool focus_requested_by_tab = focus_requested && !focus_requested_by_code;
const bool user_clicked = hovered && io.MouseClicked[0];