Drezil/imgui
1
0
Fork 0
mirror of https://github.com/Drezil/imgui.git synced 2025-07-04 03:58:47 +02:00
Code Issues Packages Projects Releases Wiki Activity

DragInt, DragFloat, DragScalar: Using (v_min > v_max) allows locking any edit to the value.

Browse Source
This commit is contained in:
omar
2019-08-30 20:28:14 +02:00
parent 3f99890f40
commit b59ec7b9b7
3 changed files with 11 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
imgui_widgets.cpp
View File

@ -1916,11 +1916,14 @@ bool ImGui::DragBehaviorT(ImGuiDataType data_type, TYPE* v, float v_speed, const
ImGuiContext& g = *GImGui;
const ImGuiAxis axis = (flags & ImGuiDragFlags_Vertical) ? ImGuiAxis_Y : ImGuiAxis_X;
const bool is_decimal = (data_type == ImGuiDataType_Float) || (data_type == ImGuiDataType_Double);
const bool has_min_max = (v_min != v_max);
const bool is_power = (power != 1.0f && is_decimal && has_min_max && (v_max - v_min < FLT_MAX));
const bool is_clamped = (v_min < v_max);
const bool is_power = (power != 1.0f && is_decimal && is_clamped && (v_max - v_min < FLT_MAX));
const bool is_locked = (v_min > v_max);
if (is_locked)
return false;
// Default tweak speed
if (v_speed == 0.0f && has_min_max && (v_max - v_min < FLT_MAX))
if (v_speed == 0.0f && is_clamped && (v_max - v_min < FLT_MAX))
v_speed = (float)((v_max - v_min) * g.DragSpeedDefaultRatio);
// Inputs accumulates into g.DragCurrentAccum, which is flushed into the current value as soon as it makes a difference with our precision settings
@ -1948,7 +1951,7 @@ bool ImGui::DragBehaviorT(ImGuiDataType data_type, TYPE* v, float v_speed, const
// Clear current value on activation
// Avoid altering values and clamping when we are _already_ past the limits and heading in the same direction, so e.g. if range is 0..255, current value is 300 and we are pushing to the right side, keep the 300.
bool is_just_activated = g.ActiveIdIsJustActivated;
bool is_already_past_limits_and_pushing_outward = has_min_max && ((*v >= v_max && adjust_delta > 0.0f) || (*v <= v_min && adjust_delta < 0.0f));
bool is_already_past_limits_and_pushing_outward = is_clamped && ((*v >= v_max && adjust_delta > 0.0f) || (*v <= v_min && adjust_delta < 0.0f));
bool is_drag_direction_change_with_power = is_power && ((adjust_delta < 0 && g.DragCurrentAccum > 0) || (adjust_delta > 0 && g.DragCurrentAccum < 0));
if (is_just_activated || is_already_past_limits_and_pushing_outward || is_drag_direction_change_with_power)
{
@ -2000,7 +2003,7 @@ bool ImGui::DragBehaviorT(ImGuiDataType data_type, TYPE* v, float v_speed, const
v_cur = (TYPE)0;
// Clamp values (+ handle overflow/wrap-around for integer types)
if (*v != v_cur && has_min_max)
if (*v != v_cur && is_clamped)
{
if (v_cur < v_min || (v_cur > *v && adjust_delta < 0.0f && !is_decimal))
v_cur = v_min;