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Nav: Commiting some better organized Debug helper because this going to stay for a bit.

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This commit is contained in:
omar 2017-09-28 23:48:30 +02:00
parent 1f7f54e196
commit 30b1d85962
2 changed files with 23 additions and 11 deletions
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31
imgui.cpp
View File

@ -594,6 +594,8 @@
#include <stdint.h> // intptr_t
#endif
#define IMGUI_DEBUG_NAV 0
#ifdef _MSC_VER
#pragma warning (disable: 4127) // condition expression is constant
#pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff)
@ -2091,7 +2093,7 @@ static bool NavScoreItem(ImRect cand)
quadrant = (window->DC.LastItemId < g.NavId) ? ImGuiDir_Left : ImGuiDir_Right;
}
#if 0 // [DEBUG]
#if IMGUI_DEBUG_NAV
if (ImGui::IsMouseHoveringRect(cand.Min, cand.Max))
{
char buf[128];
@ -2184,7 +2186,7 @@ bool ImGui::ItemAdd(const ImRect& bb, const ImGuiID* id, const ImRect* nav_bb_ar
// So eventually we would like to provide the user will the primitives to be able to implement that customized/efficient navigation handling whenever necessary.
const ImGuiItemFlags item_flags = window->DC.ItemFlags;
if (id != NULL && g.NavWindow == window->RootNavWindow)
if (g.NavId == *id || g.NavMoveRequest || g.NavInitDefaultRequest)
if (g.NavId == *id || g.NavMoveRequest || g.NavInitDefaultRequest || IMGUI_DEBUG_NAV)
if (g.IO.NavUsable && !(item_flags & ImGuiItemFlags_NoNav))
{
const ImRect& nav_bb = nav_bb_arg ? *nav_bb_arg : bb;
@ -2201,15 +2203,21 @@ bool ImGui::ItemAdd(const ImRect& bb, const ImGuiID* id, const ImRect* nav_bb_ar
}
}
//const bool DEBUG_NAV = false; // [DEBUG] Enable to test scoring on all items.
if ((g.NavMoveRequest /*|| DEBUG_NAV*/) && g.NavId != *id)
bool new_best = false;
#if IMGUI_DEBUG_NAV
// [DEBUG] Score items at all times
if (!g.NavMoveRequest)
g.NavMoveDir = g.NavMoveDirLast;
if (g.NavId != *id)
new_best = NavScoreItem(nav_bb) && g.NavMoveRequest;
#else
if (g.NavMoveRequest && g.NavId != *id)
new_best = NavScoreItem(nav_bb);
#endif
if (new_best)
{
//if (DEBUG_NAV && !g.NavMoveRequest) g.NavMoveDir = ImGuiDir_N;
if (NavScoreItem(nav_bb)) //if (!DEBUG || g.NavMoveRequest)
{
g.NavMoveResultId = *id;
g.NavMoveResultRectRel = nav_bb_rel;
}
g.NavMoveResultId = *id;
g.NavMoveResultRectRel = nav_bb_rel;
}
// Update window-relative bounding box of navigated item
@ -2778,7 +2786,10 @@ static void NavUpdate()
if ((allowed_dir_flags & (1<<ImGuiDir_Down)) && IsNavInputPressed(ImGuiNavInput_PadDown, ImGuiNavReadMode_Repeat)) g.NavMoveDir = ImGuiDir_Down;
}
if (g.NavMoveDir != ImGuiDir_None)
{
g.NavMoveRequest = true;
g.NavMoveDirLast = g.NavMoveDir;
}
// If we initiate a movement request and have no current NavId, we initiate a InitDefautRequest that will be used as a fallback if the direction fails to find a match
if (g.NavMoveRequest && g.NavId == 0)

3
imgui_internal.h
View File

@ -476,6 +476,7 @@ struct ImGuiContext
bool NavMoveRequest; // Move request for this frame
bool NavMoveFromClampedRefRect; // Set by manual scrolling, if we scroll to a point where NavId isn't visible we reset navigation from visible items
ImGuiDir NavMoveDir; // West/East/North/South
ImGuiDir NavMoveDirLast; //
ImGuiID NavMoveResultId; // Best move request candidate
float NavMoveResultDistBox; // Best move request candidate box distance to current NavId
float NavMoveResultDistCenter; // Best move request candidate center distance to current NavId
@ -583,7 +584,7 @@ struct ImGuiContext
NavInitDefaultResultId = 0;
NavInitDefaultResultExplicit = false;
NavMoveRequest = false;
NavMoveDir = ImGuiDir_None;
NavMoveDir = NavMoveDirLast = ImGuiDir_None;
NavMoveResultId = 0;
NavMoveResultDistBox = NavMoveResultDistCenter = NavMoveResultDistAxial = 0.0f;