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Added InputTextWithHint() (#2400)
Squashed commit of the following:
commit 1970d84051d3878f8c1354d9c33c795d9c66143f
Author: Lucas Lazare <lazarelucas@yahoo.fr>
Date: Tue Mar 5 12:20:39 2019 -0500
Removing sneaky tabulations #2 (why, editor T-T)
I should update my settings, I guess
commit 219bdfcb7fbd17edf3048cb0edfde2532e4d6ac3
Author: Lucas Lazare <lazarelucas@yahoo.fr>
Date: Tue Mar 5 12:17:27 2019 -0500
Removing useless check introduced in b0d172
commit 8afd7a2b459df0eb14eca88d832d2bebd1e684e6
Author: Lucas Lazare <lazarelucas@yahoo.fr>
Date: Tue Mar 5 11:49:24 2019 -0500
Removing sneaky tabulations
commit 8e0490863126d63cafc782a6aac8707e44f95653
Author: Lucas Lazare <lazarelucas@yahoo.fr>
Date: Tue Mar 5 11:45:13 2019 -0500
Moving InputTextHinted code to InputTextEx
commit b0d1723a2fb02d17ba15b9c1e679dedbbe3c17fd
Author: Lucas Lazare <lazarelucas@yahoo.fr>
Date: Tue Mar 5 00:23:02 2019 -0500
C++11 to C++98
commit 9afeae399826015357962607b4aeb0109fde698e
Author: Lucas Lazare <lazarelucas@yahoo.fr>
Date: Mon Mar 4 23:43:28 2019 -0500
Added InputTextHinted
This commit is contained in:
Lucas Lazare
omar
parent
fe48368cb2
commit
ab80ee6453
1
imgui.h
1
imgui.h
@ -450,6 +450,7 @@ namespace ImGui
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// - Most of the ImGuiInputTextFlags flags are only useful for InputText() and not for InputFloatX, InputIntX, InputDouble etc.
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IMGUI_API bool InputText(const char* label, char* buf, size_t buf_size, ImGuiInputTextFlags flags = 0, ImGuiInputTextCallback callback = NULL, void* user_data = NULL);
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IMGUI_API bool InputTextMultiline(const char* label, char* buf, size_t buf_size, const ImVec2& size = ImVec2(0,0), ImGuiInputTextFlags flags = 0, ImGuiInputTextCallback callback = NULL, void* user_data = NULL);
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IMGUI_API bool InputTextWithHint(const char* label, const char* hint, char* buf, size_t buf_size, ImGuiInputTextFlags flags = 0, ImGuiInputTextCallback callback = NULL, void* user_data = NULL);
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IMGUI_API bool InputFloat(const char* label, float* v, float step = 0.0f, float step_fast = 0.0f, const char* format = "%.3f", ImGuiInputTextFlags flags = 0);
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IMGUI_API bool InputFloat2(const char* label, float v[2], const char* format = "%.3f", ImGuiInputTextFlags flags = 0);
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IMGUI_API bool InputFloat3(const char* label, float v[3], const char* format = "%.3f", ImGuiInputTextFlags flags = 0);
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@ -481,10 +481,13 @@ static void ShowDemoWindowWidgets()
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{
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static char str0[128] = "Hello, world!";
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static int i0 = 123;
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ImGui::InputText("input text", str0, IM_ARRAYSIZE(str0));
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ImGui::SameLine(); ShowHelpMarker("USER:\nHold SHIFT or use mouse to select text.\n" "CTRL+Left/Right to word jump.\n" "CTRL+A or double-click to select all.\n" "CTRL+X,CTRL+C,CTRL+V clipboard.\n" "CTRL+Z,CTRL+Y undo/redo.\n" "ESCAPE to revert.\n\nPROGRAMMER:\nYou can use the ImGuiInputTextFlags_CallbackResize facility if you need to wire InputText() to a dynamic string type. See misc/cpp/imgui_stdlib.h for an example (this is not demonstrated in imgui_demo.cpp).");
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static char str1[128] = "";
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ImGui::InputTextWithHint("input text (w/ hint)", "enter text here", str1, IM_ARRAYSIZE(str1));
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static int i0 = 123;
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ImGui::InputInt("input int", &i0);
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ImGui::SameLine(); ShowHelpMarker("You can apply arithmetic operators +,*,/ on numerical values.\n e.g. [ 100 ], input \'*2\', result becomes [ 200 ]\nUse +- to subtract.\n");
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@ -1545,7 +1545,7 @@ namespace ImGui
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template<typename T, typename SIGNED_T> IMGUI_API T RoundScalarWithFormatT(const char* format, ImGuiDataType data_type, T v);
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// InputText
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IMGUI_API bool InputTextEx(const char* label, char* buf, int buf_size, const ImVec2& size_arg, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback = NULL, void* user_data = NULL);
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IMGUI_API bool InputTextEx(const char* label, const char* hint, char* buf, int buf_size, const ImVec2& size_arg, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback = NULL, void* user_data = NULL);
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IMGUI_API bool InputScalarAsWidgetReplacement(const ImRect& bb, ImGuiID id, const char* label, ImGuiDataType data_type, void* data_ptr, const char* format);
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// Color
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@ -2692,7 +2692,7 @@ bool ImGui::InputScalarAsWidgetReplacement(const ImRect& bb, ImGuiID id, const c
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DataTypeFormatString(data_buf, IM_ARRAYSIZE(data_buf), data_type, data_ptr, format);
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ImStrTrimBlanks(data_buf);
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ImGuiInputTextFlags flags = ImGuiInputTextFlags_AutoSelectAll | ((data_type == ImGuiDataType_Float || data_type == ImGuiDataType_Double) ? ImGuiInputTextFlags_CharsScientific : ImGuiInputTextFlags_CharsDecimal);
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bool value_changed = InputTextEx(label, data_buf, IM_ARRAYSIZE(data_buf), bb.GetSize(), flags);
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bool value_changed = InputTextEx(label, NULL, data_buf, IM_ARRAYSIZE(data_buf), bb.GetSize(), flags);
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if (g.ScalarAsInputTextId == 0)
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{
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// First frame we started displaying the InputText widget, we expect it to take the active id.
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@ -2883,9 +2883,10 @@ bool ImGui::InputDouble(const char* label, double* v, double step, double step_f
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}
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//-------------------------------------------------------------------------
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// [SECTION] Widgets: InputText, InputTextMultiline
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// [SECTION] Widgets: InputText, InputTextMultiline, InputTextWithHint
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//-------------------------------------------------------------------------
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// - InputText()
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// - InputTextWithHint()
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// - InputTextMultiline()
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// - InputTextEx() [Internal]
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//-------------------------------------------------------------------------
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@ -2893,12 +2894,17 @@ bool ImGui::InputDouble(const char* label, double* v, double step, double step_f
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bool ImGui::InputText(const char* label, char* buf, size_t buf_size, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data)
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{
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IM_ASSERT(!(flags & ImGuiInputTextFlags_Multiline)); // call InputTextMultiline()
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return InputTextEx(label, buf, (int)buf_size, ImVec2(0,0), flags, callback, user_data);
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return InputTextEx(label, NULL, buf, (int)buf_size, ImVec2(0,0), flags, callback, user_data);
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}
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bool ImGui::InputTextMultiline(const char* label, char* buf, size_t buf_size, const ImVec2& size, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data)
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{
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return InputTextEx(label, buf, (int)buf_size, size, flags | ImGuiInputTextFlags_Multiline, callback, user_data);
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return InputTextEx(label, NULL, buf, (int)buf_size, size, flags | ImGuiInputTextFlags_Multiline, callback, user_data);
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}
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bool ImGui::InputTextWithHint(const char* label, const char* hint, char* buf, size_t buf_size, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data)
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{
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return InputTextEx(label, hint, buf, (int)buf_size, ImVec2(0,0), flags, callback, user_data);
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}
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static int InputTextCalcTextLenAndLineCount(const char* text_begin, const char** out_text_end)
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@ -3193,7 +3199,7 @@ static bool InputTextFilterCharacter(unsigned int* p_char, ImGuiInputTextFlags f
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// - If you want to use ImGui::InputText() with std::string, see misc/cpp/imgui_stdlib.h
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// (FIXME: Rather confusing and messy function, among the worse part of our codebase, expecting to rewrite a V2 at some point.. Partly because we are
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// doing UTF8 > U16 > UTF8 conversions on the go to easily interface with stb_textedit. Ideally should stay in UTF-8 all the time. See https://github.com/nothings/stb/issues/188)
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bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2& size_arg, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* callback_user_data)
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bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_size, const ImVec2& size_arg, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* callback_user_data)
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{
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ImGuiWindow* window = GetCurrentWindow();
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if (window->SkipItems)
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@ -3725,6 +3731,7 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
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const int buf_display_max_length = 2 * 1024 * 1024;
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const char* buf_display = NULL;
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const char* buf_display_end = NULL;
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ImGuiCol text_color = ImGuiCol_COUNT;
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// Render text. We currently only render selection when the widget is active or while scrolling.
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// FIXME: We could remove the '&& render_cursor' to keep rendering selection when inactive.
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@ -3861,11 +3868,26 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
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}
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}
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// We test for 'buf_display_max_length' as a way to avoid some pathological cases (e.g. single-line 1 MB string) which would make ImDrawList crash.
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if (state->CurLenA != 0 || hint == NULL)
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{
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buf_display = (!is_readonly && state->TextAIsValid) ? state->TextA.Data : buf;
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buf_display_end = buf_display + state->CurLenA;
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text_color = ImGuiCol_Text;
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}
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else
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{
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buf_display = hint;
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buf_display_end = hint + strlen(hint);
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text_color = ImGuiCol_TextDisabled;
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}
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// We test for 'buf_display_max_length' as a way to avoid some pathological cases (e.g. single-line 1 MB string) which would make ImDrawList crash.
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if (is_multiline || (buf_display_end - buf_display) < buf_display_max_length)
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draw_window->DrawList->AddText(g.Font, g.FontSize, draw_pos - draw_scroll, GetColorU32(ImGuiCol_Text), buf_display, buf_display_end, 0.0f, is_multiline ? NULL : &clip_rect);
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{
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IM_ASSERT(text_color != ImGuiCol_COUNT);
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draw_window->DrawList->AddText(g.Font, g.FontSize, draw_pos - draw_scroll, GetColorU32(text_color), buf_display, buf_display_end, 0.0f, is_multiline ? NULL : &clip_rect);
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}
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// Draw blinking cursor
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if (render_cursor)
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@ -3885,6 +3907,7 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
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else
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{
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// Render text only (no selection, no cursor)
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text_color = ImGuiCol_Text;
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buf_display = (g.ActiveId == id && !is_readonly && state->TextAIsValid) ? state->TextA.Data : buf;
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if (is_multiline)
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text_size = ImVec2(size.x, InputTextCalcTextLenAndLineCount(buf_display, &buf_display_end) * g.FontSize); // We don't need width
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@ -3892,8 +3915,19 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
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buf_display_end = buf_display + state->CurLenA;
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else
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buf_display_end = buf_display + strlen(buf_display);
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if (buf_display_end == buf_display && hint != NULL)
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{
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buf_display = hint;
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buf_display_end = buf_display + strlen(buf_display);
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text_color = ImGuiCol_TextDisabled;
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}
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if (is_multiline || (buf_display_end - buf_display) < buf_display_max_length)
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draw_window->DrawList->AddText(g.Font, g.FontSize, draw_pos, GetColorU32(ImGuiCol_Text), buf_display, buf_display_end, 0.0f, is_multiline ? NULL : &clip_rect);
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{
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IM_ASSERT(text_color != ImGuiCol_COUNT);
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draw_window->DrawList->AddText(g.Font, g.FontSize, draw_pos, GetColorU32(text_color), buf_display, buf_display_end, 0.0f, is_multiline ? NULL : &clip_rect);
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}
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}
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if (is_multiline)
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@ -63,3 +63,15 @@ bool ImGui::InputTextMultiline(const char* label, std::string* str, const ImVec2
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cb_user_data.ChainCallbackUserData = user_data;
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return InputTextMultiline(label, (char*)str->c_str(), str->capacity() + 1, size, flags, InputTextCallback, &cb_user_data);
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}
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bool ImGui::InputTextWithHint(const char* label, const char* hint, std::string* str, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data)
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{
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IM_ASSERT((flags & ImGuiInputTextFlags_CallbackResize) == 0);
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flags |= ImGuiInputTextFlags_CallbackResize;
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InputTextCallback_UserData cb_user_data;
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cb_user_data.Str = str;
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cb_user_data.ChainCallback = callback;
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cb_user_data.ChainCallbackUserData = user_data;
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return InputTextWithHint(label, hint, (char*)str->c_str(), str->capacity() + 1, flags, InputTextCallback, &cb_user_data);
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}
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@ -19,4 +19,5 @@ namespace ImGui
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// Because text input needs dynamic resizing, we need to setup a callback to grow the capacity
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IMGUI_API bool InputText(const char* label, std::string* str, ImGuiInputTextFlags flags = 0, ImGuiInputTextCallback callback = NULL, void* user_data = NULL);
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IMGUI_API bool InputTextMultiline(const char* label, std::string* str, const ImVec2& size = ImVec2(0, 0), ImGuiInputTextFlags flags = 0, ImGuiInputTextCallback callback = NULL, void* user_data = NULL);
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IMGUI_API bool InputTextWithHint(const char* label, const char* hint, std::string* str, ImGuiInputTextFlags flags = 0, ImGuiInputTextCallback callback = NULL, void* user_data = NULL);
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}
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