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DragFloat, DragInt: very slightly increased mouse drag threshold + expressing it as a factor of default value + disabled experimental click-to-input on DragXXX functions. (#3737)

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ocornut
2021-01-20 17:38:55 +01:00
parent ae0d2dd614
commit dc0f3d982c
2 changed files with 19 additions and 4 deletions
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22
imgui_widgets.cpp
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@ -86,6 +86,10 @@ Index of this file:
// Data
//-------------------------------------------------------------------------
// Widgets
static const float DRAGDROP_HOLD_TO_OPEN_TIMER = 0.70f; // Time for drag-hold to activate items accepting the ImGuiButtonFlags_PressedOnDragDropHold button behavior.
static const float DRAG_MOUSE_THRESHOLD_FACTOR = 0.50f; // Multiplier for the default value of io.MouseDragThreshold to make DragFloat/DragInt react faster to mouse drags.
// Those MIN/MAX values are not define because we need to point to them
static const signed char IM_S8_MIN = -128;
static const signed char IM_S8_MAX = 127;
@ -516,10 +520,9 @@ bool ImGui::ButtonBehavior(const ImRect& bb, ImGuiID id, bool* out_hovered, bool
if (g.DragDropActive && (flags & ImGuiButtonFlags_PressedOnDragDropHold) && !(g.DragDropSourceFlags & ImGuiDragDropFlags_SourceNoHoldToOpenOthers))
if (IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByActiveItem))
{
const float DRAG_DROP_HOLD_TIMER = 0.70f;
hovered = true;
SetHoveredID(id);
if (CalcTypematicRepeatAmount(g.HoveredIdTimer + 0.0001f - g.IO.DeltaTime, g.HoveredIdTimer + 0.0001f, DRAG_DROP_HOLD_TIMER, 0.00f))
if (CalcTypematicRepeatAmount(g.HoveredIdTimer + 0.0001f - g.IO.DeltaTime, g.HoveredIdTimer + 0.0001f, DRAGDROP_HOLD_TO_OPEN_TIMER, 0.00f))
{
pressed = true;
g.DragDropHoldJustPressedId = id;
@ -2108,7 +2111,7 @@ bool ImGui::DragBehaviorT(ImGuiDataType data_type, TYPE* v, float v_speed, const
// Inputs accumulates into g.DragCurrentAccum, which is flushed into the current value as soon as it makes a difference with our precision settings
float adjust_delta = 0.0f;
if (g.ActiveIdSource == ImGuiInputSource_Mouse && IsMousePosValid() && g.IO.MouseDragMaxDistanceSqr[0] > 1.0f * 1.0f)
if (g.ActiveIdSource == ImGuiInputSource_Mouse && IsMousePosValid() && IsMouseDragPastThreshold(0, g.IO.MouseDragThreshold * DRAG_MOUSE_THRESHOLD_FACTOR))
{
adjust_delta = g.IO.MouseDelta[axis];
if (g.IO.KeyAlt)
@ -2271,7 +2274,7 @@ bool ImGui::DragScalar(const char* label, ImGuiDataType data_type, void* p_data,
else if (data_type == ImGuiDataType_S32 && strcmp(format, "%d") != 0) // (FIXME-LEGACY: Patch old "%.0f" format string to use "%d", read function more details.)
format = PatchFormatStringFloatToInt(format);
// Tabbing or CTRL-clicking on Drag turns it into an input box
// Tabbing or CTRL-clicking on Drag turns it into an InputText
const bool hovered = ItemHoverable(frame_bb, id);
const bool temp_input_allowed = (flags & ImGuiSliderFlags_NoInput) == 0;
bool temp_input_is_active = temp_input_allowed && TempInputIsActive(id);
@ -2292,6 +2295,17 @@ bool ImGui::DragScalar(const char* label, ImGuiDataType data_type, void* p_data,
FocusableItemUnregister(window);
}
}
#if 0
// Experimental: simple click (without moving) turns Drag into an InputText
// FIXME: Currently polling ImGuiConfigFlags_IsTouchScreen, may either poll an hypothetical ImGuiBackendFlags_HasKeyboard and/or an explicit drag settings.
if (temp_input_allowed && !temp_input_is_active && !(g.IO.ConfigFlags & ImGuiConfigFlags_IsTouchScreen))
if (g.ActiveId == id && hovered && g.IO.MouseReleased[0] && !IsMouseDragPastThreshold(0, g.IO.MouseDragThreshold * DRAG_MOUSE_THRESHOLD_FACTOR))
{
g.NavInputId = id;
temp_input_is_active = true;
FocusableItemUnregister(window);
}
#endif
}
if (temp_input_is_active)