diff --git a/examples/directx11_example/imgui_impl_dx11.cpp b/examples/directx11_example/imgui_impl_dx11.cpp index db6bda52..15468650 100644 --- a/examples/directx11_example/imgui_impl_dx11.cpp +++ b/examples/directx11_example/imgui_impl_dx11.cpp @@ -52,8 +52,7 @@ static void ImGui_ImplDX11_RenderDrawLists(ImDrawList** const cmd_lists, int cmd for (int n = 0; n < cmd_lists_count; n++) { const ImDrawList* cmd_list = cmd_lists[n]; - const ImDrawVert* vtx_src = &cmd_list->vtx_buffer[0]; - memcpy(vtx_dst, vtx_src, cmd_list->vtx_buffer.size() * sizeof(ImDrawVert)); + memcpy(vtx_dst, &cmd_list->vtx_buffer[0], cmd_list->vtx_buffer.size() * sizeof(ImDrawVert)); memcpy(idx_dst, &cmd_list->idx_buffer[0], cmd_list->idx_buffer.size() * sizeof(ImDrawIdx)); vtx_dst += cmd_list->vtx_buffer.size(); idx_dst += cmd_list->idx_buffer.size(); diff --git a/examples/opengl3_example/imgui_impl_glfw_gl3.cpp b/examples/opengl3_example/imgui_impl_glfw_gl3.cpp index 95a55781..0bc4b4a7 100644 --- a/examples/opengl3_example/imgui_impl_glfw_gl3.cpp +++ b/examples/opengl3_example/imgui_impl_glfw_gl3.cpp @@ -135,16 +135,18 @@ void ImGui_ImplGlfwGL3_ScrollCallback(GLFWwindow*, double /*xoffset*/, double yo g_MouseWheel += (float)yoffset; // Use fractional mouse wheel, 1.0 unit 5 lines. } -void ImGui_ImplGlfwGL3_KeyCallback(GLFWwindow*, int key, int, int action, int mods) +void ImGui_ImplGlfwGL3_KeyCallback(GLFWwindow* window, int key, int, int action, int mods) { ImGuiIO& io = ImGui::GetIO(); if (action == GLFW_PRESS) io.KeysDown[key] = true; if (action == GLFW_RELEASE) io.KeysDown[key] = false; - io.KeyCtrl = (mods & GLFW_MOD_CONTROL) != 0; - io.KeyShift = (mods & GLFW_MOD_SHIFT) != 0; - io.KeyAlt = (mods & GLFW_MOD_ALT) != 0; + + (void)mods; // Modifiers are not reliable across systems + io.KeyCtrl = glfwGetKey(window, GLFW_KEY_LEFT_CONTROL) == GLFW_PRESS || glfwGetKey(window, GLFW_KEY_RIGHT_CONTROL) == GLFW_PRESS; + io.KeyShift = glfwGetKey(window, GLFW_KEY_LEFT_SHIFT) == GLFW_PRESS || glfwGetKey(window, GLFW_KEY_RIGHT_SHIFT) == GLFW_PRESS; + io.KeyAlt = glfwGetKey(window, GLFW_KEY_LEFT_ALT) == GLFW_PRESS || glfwGetKey(window, GLFW_KEY_RIGHT_ALT) == GLFW_PRESS; } void ImGui_ImplGlfwGL3_CharCallback(GLFWwindow*, unsigned int c) diff --git a/examples/opengl_example/imgui_impl_glfw.cpp b/examples/opengl_example/imgui_impl_glfw.cpp index 922d693e..a4d172d3 100644 --- a/examples/opengl_example/imgui_impl_glfw.cpp +++ b/examples/opengl_example/imgui_impl_glfw.cpp @@ -116,16 +116,18 @@ void ImGui_ImplGlfw_ScrollCallback(GLFWwindow*, double /*xoffset*/, double yoffs g_MouseWheel += (float)yoffset; // Use fractional mouse wheel, 1.0 unit 5 lines. } -void ImGui_ImplGlFw_KeyCallback(GLFWwindow*, int key, int, int action, int mods) +void ImGui_ImplGlFw_KeyCallback(GLFWwindow* window, int key, int, int action, int mods) { ImGuiIO& io = ImGui::GetIO(); if (action == GLFW_PRESS) io.KeysDown[key] = true; if (action == GLFW_RELEASE) io.KeysDown[key] = false; - io.KeyCtrl = (mods & GLFW_MOD_CONTROL) != 0; - io.KeyShift = (mods & GLFW_MOD_SHIFT) != 0; - io.KeyAlt = (mods & GLFW_MOD_ALT) != 0; + + (void)mods; // Modifiers are not reliable across systems + io.KeyCtrl = glfwGetKey(window, GLFW_KEY_LEFT_CONTROL) == GLFW_PRESS || glfwGetKey(window, GLFW_KEY_RIGHT_CONTROL) == GLFW_PRESS; + io.KeyShift = glfwGetKey(window, GLFW_KEY_LEFT_SHIFT) == GLFW_PRESS || glfwGetKey(window, GLFW_KEY_RIGHT_SHIFT) == GLFW_PRESS; + io.KeyAlt = glfwGetKey(window, GLFW_KEY_LEFT_ALT) == GLFW_PRESS || glfwGetKey(window, GLFW_KEY_RIGHT_ALT) == GLFW_PRESS; } void ImGui_ImplGlfw_CharCallback(GLFWwindow*, unsigned int c) diff --git a/extra_fonts/binary_to_compressed_c.cpp b/extra_fonts/binary_to_compressed_c.cpp new file mode 100644 index 00000000..e5e3b00a --- /dev/null +++ b/extra_fonts/binary_to_compressed_c.cpp @@ -0,0 +1,330 @@ +// ImGui - binary_to_compressed_c.cpp +// Helper tool to turn a file into a C array. +// The data is first compressed with stb_compress() to reduce source code size a little. +// Useful if you want to embed fonts into your code. +// Note that the output array is likely to be bigger than the binary file.. +// Load compressed TTF fonts with ImGui::GetIO().Fonts->AddFontFromMemoryCompressedTTF() + +#define _CRT_SECURE_NO_WARNINGS +#include +#include +#include +#include + +const int COLUMNS = 12; + +// stb_compress* from stb.h - declaration +typedef unsigned int stb_uint; +typedef unsigned char stb_uchar; +stb_uint stb_compress(stb_uchar *out,stb_uchar *in,stb_uint len); + +static bool binary_to_compressed_c(const char* filename, const char* symbol); + +int main(int argc, char** argv) +{ + if (argc < 3) + { + printf("Syntax: %s \n", argv[0]); + return 0; + } + + binary_to_compressed_c(argv[1], argv[2]); + return 1; +} + +bool binary_to_compressed_c(const char* filename, const char* symbol) +{ + // Read file + FILE* f = fopen(filename, "rb"); + if (!f) return false; + int data_sz; + if (fseek(f, 0, SEEK_END) || (data_sz = (int)ftell(f)) == -1 || fseek(f, 0, SEEK_SET)) { fclose(f); return false; } + char* data = new char[data_sz+4]; + if (fread(data, 1, data_sz, f) != (size_t)data_sz) { fclose(f); delete[] data; return false; } + memset((void *)(((char*)data) + data_sz), 0, 4); + fclose(f); + + // Compress + int maxlen = data_sz + 512 + (data_sz >> 2) + sizeof(int); // total guess + char* compressed = new char[maxlen]; + int compressed_sz = stb_compress((stb_uchar*)compressed, (stb_uchar*)data, data_sz); + memset(compressed + compressed_sz, 0, maxlen - compressed_sz); + + // Output + FILE* out = stdout; + fprintf(out, "// File: '%s' (%d bytes)\n", filename, (int)data_sz); + fprintf(out, "// Exported using binary_to_compressed_c\n"); + fprintf(out, "static const unsigned int %s_compressed_size = %d;\n", symbol, (int)compressed_sz); + fprintf(out, "static const unsigned int %s_compressed_data[%d/4] =\n{", symbol, (int)((compressed_sz+3)/4)*4); + int column = 0; + for (int i = 0; i < compressed_sz; i += 4) + { + unsigned int d = *(unsigned int*)(compressed + i); + if ((column++ % COLUMNS) == 0) + fprintf(out, "\n 0x%08x, ", d); + else + fprintf(out, "0x%08x, ", d); + } + fprintf(out, "\n};\n\n"); + + // Cleanup + delete[] data; + delete[] compressed; + return true; +} + +// stb_compress* from stb.h - definition + +//////////////////// compressor /////////////////////// + +static stb_uint stb_adler32(stb_uint adler32, stb_uchar *buffer, stb_uint buflen) +{ + const unsigned long ADLER_MOD = 65521; + unsigned long s1 = adler32 & 0xffff, s2 = adler32 >> 16; + unsigned long blocklen, i; + + blocklen = buflen % 5552; + while (buflen) { + for (i=0; i + 7 < blocklen; i += 8) { + s1 += buffer[0], s2 += s1; + s1 += buffer[1], s2 += s1; + s1 += buffer[2], s2 += s1; + s1 += buffer[3], s2 += s1; + s1 += buffer[4], s2 += s1; + s1 += buffer[5], s2 += s1; + s1 += buffer[6], s2 += s1; + s1 += buffer[7], s2 += s1; + + buffer += 8; + } + + for (; i < blocklen; ++i) + s1 += *buffer++, s2 += s1; + + s1 %= ADLER_MOD, s2 %= ADLER_MOD; + buflen -= blocklen; + blocklen = 5552; + } + return (s2 << 16) + s1; +} + +static unsigned int stb_matchlen(stb_uchar *m1, stb_uchar *m2, stb_uint maxlen) +{ + stb_uint i; + for (i=0; i < maxlen; ++i) + if (m1[i] != m2[i]) return i; + return i; +} + +// simple implementation that just takes the source data in a big block + +static stb_uchar *stb__out; +static FILE *stb__outfile; +static stb_uint stb__outbytes; + +static void stb__write(unsigned char v) +{ + fputc(v, stb__outfile); + ++stb__outbytes; +} + +#define stb_out(v) (stb__out ? *stb__out++ = (stb_uchar) (v) : stb__write((stb_uchar) (v))) + +static void stb_out2(stb_uint v) +{ + stb_out(v >> 8); + stb_out(v); +} + +static void stb_out3(stb_uint v) { stb_out(v >> 16); stb_out(v >> 8); stb_out(v); } +static void stb_out4(stb_uint v) { stb_out(v >> 24); stb_out(v >> 16); +stb_out(v >> 8 ); stb_out(v); } + +static void outliterals(stb_uchar *in, int numlit) +{ + while (numlit > 65536) { + outliterals(in,65536); + in += 65536; + numlit -= 65536; + } + + if (numlit == 0) ; + else if (numlit <= 32) stb_out (0x000020 + numlit-1); + else if (numlit <= 2048) stb_out2(0x000800 + numlit-1); + else /* numlit <= 65536) */ stb_out3(0x070000 + numlit-1); + + if (stb__out) { + memcpy(stb__out,in,numlit); + stb__out += numlit; + } else + fwrite(in, 1, numlit, stb__outfile); +} + +static int stb__window = 0x40000; // 256K + +static int stb_not_crap(int best, int dist) +{ + return ((best > 2 && dist <= 0x00100) + || (best > 5 && dist <= 0x04000) + || (best > 7 && dist <= 0x80000)); +} + +static stb_uint stb__hashsize = 32768; + +// note that you can play with the hashing functions all you +// want without needing to change the decompressor +#define stb__hc(q,h,c) (((h) << 7) + ((h) >> 25) + q[c]) +#define stb__hc2(q,h,c,d) (((h) << 14) + ((h) >> 18) + (q[c] << 7) + q[d]) +#define stb__hc3(q,c,d,e) ((q[c] << 14) + (q[d] << 7) + q[e]) + +static unsigned int stb__running_adler; + +static int stb_compress_chunk(stb_uchar *history, + stb_uchar *start, + stb_uchar *end, + int length, + int *pending_literals, + stb_uchar **chash, + stb_uint mask) +{ + (void)history; + int window = stb__window; + stb_uint match_max; + stb_uchar *lit_start = start - *pending_literals; + stb_uchar *q = start; + +#define STB__SCRAMBLE(h) (((h) + ((h) >> 16)) & mask) + + // stop short of the end so we don't scan off the end doing + // the hashing; this means we won't compress the last few bytes + // unless they were part of something longer + while (q < start+length && q+12 < end) { + int m; + stb_uint h1,h2,h3,h4, h; + stb_uchar *t; + int best = 2, dist=0; + + if (q+65536 > end) + match_max = end-q; + else + match_max = 65536; + +#define stb__nc(b,d) ((d) <= window && ((b) > 9 || stb_not_crap(b,d))) + +#define STB__TRY(t,p) /* avoid retrying a match we already tried */ \ + if (p ? dist != q-t : 1) \ + if ((m = stb_matchlen(t, q, match_max)) > best) \ + if (stb__nc(m,q-(t))) \ + best = m, dist = q - (t) + + // rather than search for all matches, only try 4 candidate locations, + // chosen based on 4 different hash functions of different lengths. + // this strategy is inspired by LZO; hashing is unrolled here using the + // 'hc' macro + h = stb__hc3(q,0, 1, 2); h1 = STB__SCRAMBLE(h); + t = chash[h1]; if (t) STB__TRY(t,0); + h = stb__hc2(q,h, 3, 4); h2 = STB__SCRAMBLE(h); + h = stb__hc2(q,h, 5, 6); t = chash[h2]; if (t) STB__TRY(t,1); + h = stb__hc2(q,h, 7, 8); h3 = STB__SCRAMBLE(h); + h = stb__hc2(q,h, 9,10); t = chash[h3]; if (t) STB__TRY(t,1); + h = stb__hc2(q,h,11,12); h4 = STB__SCRAMBLE(h); + t = chash[h4]; if (t) STB__TRY(t,1); + + // because we use a shared hash table, can only update it + // _after_ we've probed all of them + chash[h1] = chash[h2] = chash[h3] = chash[h4] = q; + + if (best > 2) + assert(dist > 0); + + // see if our best match qualifies + if (best < 3) { // fast path literals + ++q; + } else if (best > 2 && best <= 0x80 && dist <= 0x100) { + outliterals(lit_start, q-lit_start); lit_start = (q += best); + stb_out(0x80 + best-1); + stb_out(dist-1); + } else if (best > 5 && best <= 0x100 && dist <= 0x4000) { + outliterals(lit_start, q-lit_start); lit_start = (q += best); + stb_out2(0x4000 + dist-1); + stb_out(best-1); + } else if (best > 7 && best <= 0x100 && dist <= 0x80000) { + outliterals(lit_start, q-lit_start); lit_start = (q += best); + stb_out3(0x180000 + dist-1); + stb_out(best-1); + } else if (best > 8 && best <= 0x10000 && dist <= 0x80000) { + outliterals(lit_start, q-lit_start); lit_start = (q += best); + stb_out3(0x100000 + dist-1); + stb_out2(best-1); + } else if (best > 9 && dist <= 0x1000000) { + if (best > 65536) best = 65536; + outliterals(lit_start, q-lit_start); lit_start = (q += best); + if (best <= 0x100) { + stb_out(0x06); + stb_out3(dist-1); + stb_out(best-1); + } else { + stb_out(0x04); + stb_out3(dist-1); + stb_out2(best-1); + } + } else { // fallback literals if no match was a balanced tradeoff + ++q; + } + } + + // if we didn't get all the way, add the rest to literals + if (q-start < length) + q = start+length; + + // the literals are everything from lit_start to q + *pending_literals = (q - lit_start); + + stb__running_adler = stb_adler32(stb__running_adler, start, q - start); + return q - start; +} + +static int stb_compress_inner(stb_uchar *input, stb_uint length) +{ + int literals = 0; + stb_uint len,i; + + stb_uchar **chash; + chash = (stb_uchar**) malloc(stb__hashsize * sizeof(stb_uchar*)); + if (chash == NULL) return 0; // failure + for (i=0; i < stb__hashsize; ++i) + chash[i] = NULL; + + // stream signature + stb_out(0x57); stb_out(0xbc); + stb_out2(0); + + stb_out4(0); // 64-bit length requires 32-bit leading 0 + stb_out4(length); + stb_out4(stb__window); + + stb__running_adler = 1; + + len = stb_compress_chunk(input, input, input+length, length, &literals, chash, stb__hashsize-1); + assert(len == length); + + outliterals(input+length - literals, literals); + + free(chash); + + stb_out2(0x05fa); // end opcode + + stb_out4(stb__running_adler); + + return 1; // success +} + +stb_uint stb_compress(stb_uchar *out, stb_uchar *input, stb_uint length) +{ + stb__out = out; + stb__outfile = NULL; + + stb_compress_inner(input, length); + + return stb__out - out; +} diff --git a/imgui.cpp b/imgui.cpp index c6729a3a..dd756fbb 100644 --- a/imgui.cpp +++ b/imgui.cpp @@ -1,4 +1,4 @@ -// ImGui library v1.38 WIP +// ImGui library v1.38 WIP // See ImGui::ShowTestWindow() for sample code. // Read 'Programmer guide' below for notes on how to setup ImGui in your codebase. // Get latest version at https://github.com/ocornut/imgui @@ -135,6 +135,7 @@ Occasionally introducing changes that are breaking the API. The breakage are generally minor and easy to fix. Here is a change-log of API breaking changes, if you are using one of the functions listed, expect to have to fix some code. + - 2015/04/13 (1.38) - renamed IsClipped() to IsRectClipped(). Kept inline redirection function (will obsolete). - 2015/04/09 (1.38) - renamed ImDrawList::AddArc() to ImDrawList::AddArcFast() for compatibility with future API - 2015/04/03 (1.38) - removed ImGuiCol_CheckHovered, ImGuiCol_CheckActive, replaced with the more general ImGuiCol_FrameBgHovered, ImGuiCol_FrameBgActive. - 2014/04/03 (1.38) - removed support for passing -FLT_MAX..+FLT_MAX as the range for a SliderFloat(). Use DragFloat() or Inputfloat() instead. @@ -491,7 +492,7 @@ static bool ItemAdd(const ImRect& bb, const ImGuiID* id); static void ItemSize(ImVec2 size, float text_offset_y = 0.0f); static void ItemSize(const ImRect& bb, float text_offset_y = 0.0f); static void PushColumnClipRect(int column_index = -1); -static bool IsClipped(const ImRect& bb); +static bool IsClippedEx(const ImRect& bb, bool clip_even_when_logged); static bool IsMouseHoveringRect(const ImRect& bb); static bool IsKeyPressedMap(ImGuiKey key, bool repeat = true); @@ -1108,10 +1109,11 @@ struct ImGuiState ImGuiWindow* FocusedWindow; // Will catch keyboard inputs ImGuiWindow* HoveredWindow; // Will catch mouse inputs ImGuiWindow* HoveredRootWindow; // Will catch mouse inputs (for focus/move only) - ImGuiID HoveredId; - ImGuiID ActiveId; + ImGuiID HoveredId; // Hovered widget + ImGuiID ActiveId; // Active widget ImGuiID ActiveIdPreviousFrame; bool ActiveIdIsAlive; + bool ActiveIdIsJustActivated; // Set when bool ActiveIdIsFocusedOnly; // Set only by active widget. Denote focus but no active interaction. ImGuiWindow* MovedWindow; // Track the child window we clicked on to move a window. Only valid if ActiveID is the "#MOVE" identifier of a window. float SettingsDirtyTimer; @@ -1144,6 +1146,7 @@ struct ImGuiState ImGuiID ScalarAsInputTextId; // Temporary text input when CTRL+clicking on a slider, etc. ImGuiStorage ColorEditModeStorage; // for user selection ImGuiID ActiveComboID; + float DragCurrentValue; // current dragged value, always float, not rounded by end-user precision settings ImVec2 DragLastMouseDelta; float DragSpeedScaleSlow; float DragSpeedScaleFast; @@ -1182,6 +1185,7 @@ struct ImGuiState ActiveId = 0; ActiveIdPreviousFrame = 0; ActiveIdIsAlive = false; + ActiveIdIsJustActivated = false; ActiveIdIsFocusedOnly = false; MovedWindow = NULL; SettingsDirtyTimer = 0.0f; @@ -1199,6 +1203,7 @@ struct ImGuiState ScalarAsInputTextId = 0; ActiveComboID = 0; + DragCurrentValue = 0.0f; DragLastMouseDelta = ImVec2(0.0f, 0.0f); DragSpeedScaleSlow = 0.01f; DragSpeedScaleFast = 10.0f; @@ -1271,7 +1276,7 @@ public: ImGuiWindow(const char* name); ~ImGuiWindow(); - ImGuiID GetID(const char* str); + ImGuiID GetID(const char* str, const char* str_end = NULL); ImGuiID GetID(const void* ptr); bool FocusItemRegister(bool is_active, bool tab_stop = true); // Return true if focus is requested @@ -1314,6 +1319,7 @@ static void SetActiveId(ImGuiID id) ImGuiState& g = *GImGui; g.ActiveId = id; g.ActiveIdIsFocusedOnly = false; + g.ActiveIdIsJustActivated = true; } static void RegisterAliveId(ImGuiID id) @@ -1616,10 +1622,10 @@ ImGuiWindow::~ImGuiWindow() Name = NULL; } -ImGuiID ImGuiWindow::GetID(const char* str) +ImGuiID ImGuiWindow::GetID(const char* str, const char* str_end) { ImGuiID seed = IDStack.back(); - const ImGuiID id = ImHash(str, 0, seed); + const ImGuiID id = ImHash(str, str_end ? str_end - str : 0, seed); RegisterAliveId(id); return id; } @@ -1936,6 +1942,7 @@ void ImGui::NewFrame() SetActiveId(0); g.ActiveIdPreviousFrame = g.ActiveId; g.ActiveIdIsAlive = false; + g.ActiveIdIsJustActivated = false; if (!g.ActiveId) g.MovedWindow = NULL; @@ -2694,6 +2701,14 @@ ImVec2 ImGui::GetMouseDragDelta(int button, float lock_threshold) return ImVec2(0.0f, 0.0f); } +void ImGui::ResetMouseDragDelta(int button) +{ + ImGuiState& g = *GImGui; + IM_ASSERT(button >= 0 && button < IM_ARRAYSIZE(g.IO.MouseDown)); + // NB: We don't need to reset g.IO.MouseDragMaxDistanceSqr + g.IO.MouseClickedPos[button] = g.IO.MousePos; +} + ImGuiMouseCursor ImGui::GetMouseCursor() { return GImGui->MouseCursor; @@ -2733,6 +2748,13 @@ bool ImGui::IsAnyItemActive() return g.ActiveId != 0; } +bool ImGui::IsItemVisible() +{ + ImGuiWindow* window = GetCurrentWindow(); + ImRect r(window->ClipRectStack.back()); + return r.Overlaps(window->DC.LastItemRect); +} + ImVec2 ImGui::GetItemRectMin() { ImGuiWindow* window = GetCurrentWindow(); @@ -4232,7 +4254,7 @@ void ImGui::TextUnformatted(const char* text, const char* text_end) while (line < text_end) { const char* line_end = strchr(line, '\n'); - if (IsClipped(line_rect)) + if (IsClippedEx(line_rect, false)) break; const ImVec2 line_size = CalcTextSize(line, line_end, false); @@ -4943,6 +4965,12 @@ void ImGui::PushID(const char* str_id) window->IDStack.push_back(window->GetID(str_id)); } +void ImGui::PushID(const char* str_id_begin, const char* str_id_end) +{ + ImGuiWindow* window = GetCurrentWindow(); + window->IDStack.push_back(window->GetID(str_id_begin, str_id_end)); +} + void ImGui::PushID(const void* ptr_id) { ImGuiWindow* window = GetCurrentWindow(); @@ -4968,6 +4996,12 @@ ImGuiID ImGui::GetID(const char* str_id) return window->GetID(str_id); } +ImGuiID ImGui::GetID(const char* str_id_begin, const char* str_id_end) +{ + ImGuiWindow* window = GetCurrentWindow(); + return window->GetID(str_id_begin, str_id_end); +} + ImGuiID ImGui::GetID(const void* ptr_id) { ImGuiWindow* window = GetCurrentWindow(); @@ -5056,7 +5090,7 @@ static bool SliderFloatAsInputText(const char* label, float* v, ImGuiID id, int } // Parse display precision back from the display format string -static void ParseFormat(const char* fmt, int& decimal_precision) +static inline void ParseFormat(const char* fmt, int& decimal_precision) { while ((fmt = strchr(fmt, '%')) != NULL) { @@ -5074,6 +5108,21 @@ static void ParseFormat(const char* fmt, int& decimal_precision) } } +static inline float RoundScalar(float value, int decimal_precision) +{ + // Round past decimal precision + // 0: 1, 1: 0.1, 2: 0.01, etc. + // So when our value is 1.99999 with a precision of 0.001 we'll end up rounding to 2.0 + // FIXME: Investigate better rounding methods + const float min_step = 1.0f / powf(10.0f, (float)decimal_precision); + const float remainder = fmodf(value, min_step); + if (remainder <= min_step*0.5f) + value -= remainder; + else + value += (min_step - remainder); + return value; +} + static bool SliderBehavior(const ImRect& frame_bb, const ImRect& slider_bb, ImGuiID id, float* v, float v_min, float v_max, float power, int decimal_precision, bool horizontal) { ImGuiState& g = *GImGui; @@ -5152,14 +5201,7 @@ static bool SliderBehavior(const ImRect& frame_bb, const ImRect& slider_bb, ImGu } // Round past decimal precision - // 0->1, 1->0.1, 2->0.01, etc. - // So when our value is 1.99999 with a precision of 0.001 we'll end up rounding to 2.0 - const float min_step = 1.0f / powf(10.0f, (float)decimal_precision); - const float remainder = fmodf(new_value, min_step); - if (remainder <= min_step*0.5f) - new_value -= remainder; - else - new_value += (min_step - remainder); + new_value = RoundScalar(new_value, decimal_precision); if (*v != new_value) { @@ -5465,7 +5507,7 @@ bool ImGui::SliderInt4(const char* label, int v[4], int v_min, int v_max, const } // FIXME-WIP: Work in progress. May change API / behavior. -static bool DragScalarBehavior(const ImRect& frame_bb, ImGuiID id, float* v, float v_step, float v_min, float v_max) +static bool DragScalarBehavior(const ImRect& frame_bb, ImGuiID id, float* v, float v_speed, float v_min, float v_max, int decimal_precision, float power) { ImGuiState& g = *GImGui; ImGuiWindow* window = GetCurrentWindow(); @@ -5482,23 +5524,52 @@ static bool DragScalarBehavior(const ImRect& frame_bb, ImGuiID id, float* v, flo { if (g.IO.MouseDown[0]) { - const ImVec2 mouse_drag_delta = ImGui::GetMouseDragDelta(0); + if (g.ActiveIdIsJustActivated) + { + // Lock current value on click + g.DragCurrentValue = *v; + g.DragLastMouseDelta = ImVec2(0.f, 0.f); + } + const ImVec2 mouse_drag_delta = ImGui::GetMouseDragDelta(0, 1.0f); if (fabsf(mouse_drag_delta.x - g.DragLastMouseDelta.x) > 0.0f) { - float step = v_step; + float speed = v_speed; if (g.IO.KeyShift && g.DragSpeedScaleFast >= 0.0f) - step = v_step * g.DragSpeedScaleFast; + speed = v_speed * g.DragSpeedScaleFast; if (g.IO.KeyAlt && g.DragSpeedScaleSlow >= 0.0f) - step = v_step * g.DragSpeedScaleSlow; - - *v += (mouse_drag_delta.x - g.DragLastMouseDelta.x) * step; - - if (v_min < v_max) - *v = ImClamp(*v, v_min, v_max); + speed = v_speed * g.DragSpeedScaleSlow; + float v_cur = g.DragCurrentValue; + float delta = (mouse_drag_delta.x - g.DragLastMouseDelta.x) * speed; + if (fabsf(power - 1.0f) > 0.001f) + { + // Logarithmic curve on both side of 0.0 + float v0_abs = v_cur >= 0.0f ? v_cur : -v_cur; + float v0_sign = v_cur >= 0.0f ? 1.0f : -1.0f; + float v1 = powf(v0_abs, 1.0f / power) + (delta * v0_sign); + float v1_abs = v1 >= 0.0f ? v1 : -v1; + float v1_sign = v1 >= 0.0f ? 1.0f : -1.0f; // Crossed sign line + v_cur = powf(v1_abs, power) * v0_sign * v1_sign; // Reapply sign + } + else + { + v_cur += delta; + } g.DragLastMouseDelta.x = mouse_drag_delta.x; - value_changed = true; + + // Clamp + if (v_min < v_max) + v_cur = ImClamp(v_cur, v_min, v_max); + g.DragCurrentValue = v_cur; + + // Round to user desired precision, then apply + v_cur = RoundScalar(v_cur, decimal_precision); + if (*v != v_cur) + { + *v = v_cur; + value_changed = true; + } } } else @@ -5510,7 +5581,7 @@ static bool DragScalarBehavior(const ImRect& frame_bb, ImGuiID id, float* v, flo return value_changed; } -bool ImGui::DragFloat(const char* label, float *v, float v_step, float v_min, float v_max, const char* display_format) +bool ImGui::DragFloat(const char* label, float *v, float v_speed, float v_min, float v_max, const char* display_format, float power) { ImGuiState& g = *GImGui; ImGuiWindow* window = GetCurrentWindow(); @@ -5549,7 +5620,6 @@ bool ImGui::DragFloat(const char* label, float *v, float v_step, float v_min, fl { SetActiveId(id); FocusWindow(window); - g.DragLastMouseDelta = ImVec2(0.f, 0.f); if (tab_focus_requested || g.IO.KeyCtrl || g.IO.MouseDoubleClicked[0]) { @@ -5563,7 +5633,7 @@ bool ImGui::DragFloat(const char* label, float *v, float v_step, float v_min, fl ItemSize(total_bb, style.FramePadding.y); // Actual drag behavior - const bool value_changed = DragScalarBehavior(frame_bb, id, v, v_step, v_min, v_max); + const bool value_changed = DragScalarBehavior(frame_bb, id, v, v_speed, v_min, v_max, decimal_precision, power); // Display value using user-provided display format so user can add prefix/suffix/decorations to the value. char value_buf[64]; @@ -5577,12 +5647,13 @@ bool ImGui::DragFloat(const char* label, float *v, float v_step, float v_min, fl return value_changed; } -bool ImGui::DragInt(const char* label, int* v, int v_step, int v_min, int v_max, const char* display_format) +// NB: v_speed is float to allow adjusting the drag speed with more precision +bool ImGui::DragInt(const char* label, int* v, float v_speed, int v_min, int v_max, const char* display_format) { if (!display_format) display_format = "%.0f"; float v_f = (float)*v; - bool value_changed = ImGui::DragFloat(label, &v_f, (float)v_step, (float)v_min, (float)v_max, display_format); + bool value_changed = ImGui::DragFloat(label, &v_f, v_speed, (float)v_min, (float)v_max, display_format); *v = (int)v_f; return value_changed; } @@ -7030,7 +7101,7 @@ bool ImGui::ColorEdit4(const char* label, float col[4], bool alpha) ImGui::SameLine(0, (int)style.ItemInnerSpacing.x); if (n + 1 == components) ImGui::PushItemWidth(w_item_last); - value_changed |= ImGui::DragInt(ids[n], &i[n], 1, 0, 255, fmt[n]); + value_changed |= ImGui::DragInt(ids[n], &i[n], 1.0f, 0, 255, fmt[n]); } ImGui::PopItemWidth(); ImGui::PopItemWidth(); @@ -7180,20 +7251,23 @@ static inline void ItemSize(const ImRect& bb, float text_offset_y) ItemSize(bb.GetSize(), text_offset_y); } -static bool IsClipped(const ImRect& bb) +static bool IsClippedEx(const ImRect& bb, bool clip_even_when_logged) { ImGuiState& g = *GImGui; ImGuiWindow* window = GetCurrentWindow(); - if (!bb.Overlaps(ImRect(window->ClipRectStack.back())) && !g.LogEnabled) - return true; + if (!bb.Overlaps(ImRect(window->ClipRectStack.back()))) + { + if (clip_even_when_logged || !g.LogEnabled) + return true; + } return false; } -bool ImGui::IsClipped(const ImVec2& item_size) +bool ImGui::IsRectClipped(const ImVec2& size) { ImGuiWindow* window = GetCurrentWindow(); - return IsClipped(ImRect(window->DC.CursorPos, window->DC.CursorPos + item_size)); + return IsClippedEx(ImRect(window->DC.CursorPos, window->DC.CursorPos + size), true); } static bool ItemAdd(const ImRect& bb, const ImGuiID* id) @@ -7201,10 +7275,13 @@ static bool ItemAdd(const ImRect& bb, const ImGuiID* id) ImGuiWindow* window = GetCurrentWindow(); window->DC.LastItemID = id ? *id : 0; window->DC.LastItemRect = bb; - if (IsClipped(bb)) + if (IsClippedEx(bb, false)) { - window->DC.LastItemHoveredAndUsable = window->DC.LastItemHoveredRect = false; - return false; + if (!id || *id != GImGui->ActiveId) + { + window->DC.LastItemHoveredAndUsable = window->DC.LastItemHoveredRect = false; + return false; + } } // This is a sensible default, but widgets are free to override it after calling ItemAdd() @@ -7433,7 +7510,7 @@ void ImGui::Columns(int columns_count, const char* id, bool border) const ImGuiID column_id = window->DC.ColumnsSetID + ImGuiID(i); const ImRect column_rect(ImVec2(x-4,y1),ImVec2(x+4,y2)); - if (IsClipped(column_rect)) + if (IsClippedEx(column_rect, false)) continue; bool hovered, held; @@ -8138,18 +8215,10 @@ static unsigned int stb_decompress(unsigned char *output, unsigned char *i, unsi // Load embedded ProggyClean.ttf at size 13 ImFont* ImFontAtlas::AddFontDefault() { - // Get compressed data unsigned int ttf_compressed_size; const void* ttf_compressed; GetDefaultCompressedFontDataTTF(&ttf_compressed, &ttf_compressed_size); - - // Decompress - const size_t buf_decompressed_size = stb_decompress_length((unsigned char*)ttf_compressed); - unsigned char* buf_decompressed = (unsigned char *)ImGui::MemAlloc(buf_decompressed_size); - stb_decompress(buf_decompressed, (unsigned char*)ttf_compressed, ttf_compressed_size); - - // Add - ImFont* font = AddFontFromMemoryTTF(buf_decompressed, buf_decompressed_size, 13.0f, GetGlyphRangesDefault(), 0); + ImFont* font = AddFontFromMemoryCompressedTTF(ttf_compressed, ttf_compressed_size, 13.0f, GetGlyphRangesDefault(), 0); font->DisplayOffset.y += 1; return font; } @@ -8164,13 +8233,12 @@ ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels, return NULL; } - // Add ImFont* font = AddFontFromMemoryTTF(data, data_size, size_pixels, glyph_ranges, font_no); return font; } // NB: ownership of 'data' is given to ImFontAtlas which will clear it. -ImFont* ImFontAtlas::AddFontFromMemoryTTF(void* in_ttf_data, size_t in_ttf_data_size, float size_pixels, const ImWchar* glyph_ranges, int font_no) +ImFont* ImFontAtlas::AddFontFromMemoryTTF(void* in_ttf_data, unsigned int in_ttf_data_size, float size_pixels, const ImWchar* glyph_ranges, int font_no) { // Create new font ImFont* font = (ImFont*)ImGui::MemAlloc(sizeof(ImFont)); @@ -8194,6 +8262,18 @@ ImFont* ImFontAtlas::AddFontFromMemoryTTF(void* in_ttf_data, size_t in_ttf_data_ return font; } +ImFont* ImFontAtlas::AddFontFromMemoryCompressedTTF(const void* in_compressed_ttf_data, unsigned int in_compressed_ttf_data_size, float size_pixels, const ImWchar* glyph_ranges, int font_no) +{ + // Decompress + const size_t buf_decompressed_size = stb_decompress_length((unsigned char*)in_compressed_ttf_data); + unsigned char* buf_decompressed = (unsigned char *)ImGui::MemAlloc(buf_decompressed_size); + stb_decompress(buf_decompressed, (unsigned char*)in_compressed_ttf_data, in_compressed_ttf_data_size); + + // Add + ImFont* font = AddFontFromMemoryTTF(buf_decompressed, buf_decompressed_size, size_pixels, glyph_ranges, font_no); + return font; +} + bool ImFontAtlas::Build() { IM_ASSERT(InputData.size() > 0); @@ -10235,7 +10315,7 @@ void ImGui::ShowTestWindow(bool* opened) ImGui::Spacing(); // Scrolling columns - /* + /* ImGui::Text("Scrolling:"); ImGui::BeginChild("##header", ImVec2(0, ImGui::GetTextLineHeightWithSpacing()+ImGui::GetStyle().ItemSpacing.y)); ImGui::Columns(3); @@ -10258,7 +10338,7 @@ void ImGui::ShowTestWindow(bool* opened) ImGui::Separator(); ImGui::Spacing(); - */ + */ // Create multiple items in a same cell before switching to next column ImGui::Text("Mixed items:"); @@ -10947,16 +11027,9 @@ static void ShowExampleAppLongText(bool* opened) //----------------------------------------------------------------------------- // FONT DATA //----------------------------------------------------------------------------- - -//----------------------------------------------------------------------------- -// ProggyClean.ttf -// Copyright (c) 2004, 2005 Tristan Grimmer -// MIT license (see License.txt in http://www.upperbounds.net/download/ProggyClean.ttf.zip) -// Download and more information at http://upperbounds.net -//----------------------------------------------------------------------------- // Compressed with stb_compress() then converted to a C array. -// Decompressor from stb.h (public domain) by Sean Barrett -// https://github.com/nothings/stb/blob/master/stb.h +// Use the program in extra_fonts/binary_to_compressed_c.cpp to create the array from a TTF file. +// Decompressor from stb.h (public domain) by Sean Barrett https://github.com/nothings/stb/blob/master/stb.h //----------------------------------------------------------------------------- static unsigned int stb_decompress_length(unsigned char *input) @@ -10965,7 +11038,6 @@ static unsigned int stb_decompress_length(unsigned char *input) } static unsigned char *stb__barrier, *stb__barrier2, *stb__barrier3, *stb__barrier4; - static unsigned char *stb__dout; static void stb__match(unsigned char *data, unsigned int length) { @@ -11071,6 +11143,12 @@ static unsigned int stb_decompress(unsigned char *output, unsigned char *i, unsi } } +//----------------------------------------------------------------------------- +// ProggyClean.ttf +// Copyright (c) 2004, 2005 Tristan Grimmer +// MIT license (see License.txt in http://www.upperbounds.net/download/ProggyClean.ttf.zip) +// Download and more information at http://upperbounds.net +//----------------------------------------------------------------------------- static const unsigned int proggy_clean_ttf_compressed_size = 9583; static const unsigned int proggy_clean_ttf_compressed_data[9584/4] = { diff --git a/imgui.h b/imgui.h index 84fcee16..2cc19b59 100644 --- a/imgui.h +++ b/imgui.h @@ -260,10 +260,12 @@ namespace ImGui // If you are creating widgets in a loop you most likely want to push a unique identifier so ImGui can differentiate them // You can also use "##extra" within your widget name to distinguish them from each others (see 'Programmer Guide') IMGUI_API void PushID(const char* str_id); // push identifier into the ID stack. IDs are hash of the *entire* stack! + IMGUI_API void PushID(const char* str_id_begin, const char* str_id_end); IMGUI_API void PushID(const void* ptr_id); IMGUI_API void PushID(const int int_id); IMGUI_API void PopID(); IMGUI_API ImGuiID GetID(const char* str_id); // calculate unique ID (hash of whole ID stack + given parameter). useful if you want to query into ImGuiStorage yourself. otherwise rarely needed + IMGUI_API ImGuiID GetID(const char* str_id_begin, const char* str_id_end); IMGUI_API ImGuiID GetID(const void* ptr_id); // Widgets @@ -316,8 +318,8 @@ namespace ImGui // Widgets: Drags (tip: ctrl+click on a drag box to input text) // ImGui 1.38+ work-in-progress, may change name or API. - IMGUI_API bool DragFloat(const char* label, float* v, float v_step = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* display_format = "%.3f"); // If v_max >= v_max we have no bound - IMGUI_API bool DragInt(const char* label, int* v, int v_step = 1, int v_min = 0, int v_max = 0, const char* display_format = "%.0f"); // If v_max >= v_max we have no bound + IMGUI_API bool DragFloat(const char* label, float* v, float v_speed = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* display_format = "%.3f", float power = 1.0f); // If v_max >= v_max we have no bound + IMGUI_API bool DragInt(const char* label, int* v, float v_speed = 1.0f, int v_min = 0, int v_max = 0, const char* display_format = "%.0f"); // If v_max >= v_max we have no bound // Widgets: Input IMGUI_API bool InputText(const char* label, char* buf, size_t buf_size, ImGuiInputTextFlags flags = 0, ImGuiTextEditCallback callback = NULL, void* user_data = NULL); @@ -371,13 +373,14 @@ namespace ImGui IMGUI_API bool IsItemHoveredRect(); // was the last item hovered by mouse? even if another item is active while we are hovering this IMGUI_API bool IsItemActive(); // was the last item active? (e.g. button being held, text field being edited- items that don't interact will always return false) IMGUI_API bool IsAnyItemActive(); // - IMGUI_API ImVec2 GetItemRectMin(); // get bounding rect of last item + IMGUI_API bool IsItemVisible(); + IMGUI_API ImVec2 GetItemRectMin(); // get bounding rect of last item in screen space IMGUI_API ImVec2 GetItemRectMax(); // " IMGUI_API ImVec2 GetItemRectSize(); // " IMGUI_API bool IsWindowFocused(); // is current window focused (differentiate child windows from each others) IMGUI_API bool IsRootWindowFocused(); // is current root window focused IMGUI_API bool IsRootWindowOrAnyChildFocused(); // is current root window or any of its child (including current window) focused - IMGUI_API bool IsClipped(const ImVec2& item_size); // to perform coarse clipping on user's side (as an optimization) + IMGUI_API bool IsRectClipped(const ImVec2& size); // test if rectangle of given size starting from cursor pos is out of clipping region. to perform coarse clipping on user's side (as an optimization) IMGUI_API bool IsKeyPressed(int key_index, bool repeat = true); // key_index into the keys_down[512] array, imgui doesn't know the semantic of each entry IMGUI_API bool IsMouseClicked(int button, bool repeat = false); IMGUI_API bool IsMouseDoubleClicked(int button); @@ -388,6 +391,7 @@ namespace ImGui IMGUI_API bool IsPosHoveringAnyWindow(const ImVec2& pos); // is given position hovering any active imgui window IMGUI_API ImVec2 GetMousePos(); // shortcut to ImGui::GetIO().MousePos provided by user, to be consistent with other calls IMGUI_API ImVec2 GetMouseDragDelta(int button = 0, float lock_threshold = -1.0f); // dragging amount since clicking, also see: GetItemActiveDragDelta(). if lock_threshold < -1.0f uses io.MouseDraggingThreshold + IMGUI_API void ResetMouseDragDelta(int button = 0); IMGUI_API ImGuiMouseCursor GetMouseCursor(); // get desired cursor type, reset in ImGui::NewFrame(), this updated during the frame. valid before Render(). If you use software rendering by setting io.MouseDrawCursor ImGui will render those for you IMGUI_API void SetMouseCursor(ImGuiMouseCursor type); // set desired cursor type IMGUI_API float GetTime(); @@ -416,6 +420,7 @@ namespace ImGui static inline bool GetWindowIsFocused() { return ImGui::IsWindowFocused(); } // OBSOLETE static inline ImVec2 GetItemBoxMin() { return GetItemRectMin(); } // OBSOLETE static inline ImVec2 GetItemBoxMax() { return GetItemRectMax(); } // OBSOLETE + static inline bool IsClipped(const ImVec2& size) { return IsRectClipped(size); } // OBSOLETE static inline bool IsMouseHoveringBox(const ImVec2& rect_min, const ImVec2& rect_max) { return IsMouseHoveringRect(rect_min, rect_max); } // OBSOLETE } // namespace ImGui @@ -948,14 +953,15 @@ struct ImDrawList // 2. Call GetTexDataAsAlpha8() or GetTexDataAsRGBA32() to build and retrieve pixels data. // 3. Upload the pixels data into a texture within your graphics system. // 4. Call SetTexID(my_tex_id); and pass the pointer/identifier to your texture. This value will be passed back to you during rendering to identify the texture. -// 5. Call ClearPixelsData() to free textures memory on the heap. +// 5. Call ClearTexData() to free textures memory on the heap. struct ImFontAtlas { IMGUI_API ImFontAtlas(); IMGUI_API ~ImFontAtlas(); IMGUI_API ImFont* AddFontDefault(); IMGUI_API ImFont* AddFontFromFileTTF(const char* filename, float size_pixels, const ImWchar* glyph_ranges = NULL, int font_no = 0); - IMGUI_API ImFont* AddFontFromMemoryTTF(void* in_ttf_data, size_t in_ttf_data_size, float size_pixels, const ImWchar* glyph_ranges = NULL, int font_no = 0); // Pass ownership of 'in_ttf_data' memory. + IMGUI_API ImFont* AddFontFromMemoryTTF(void* in_ttf_data, unsigned int in_ttf_data_size, float size_pixels, const ImWchar* glyph_ranges = NULL, int font_no = 0); // Pass ownership of 'in_ttf_data' memory, will be deleted after build + IMGUI_API ImFont* AddFontFromMemoryCompressedTTF(const void* in_compressed_ttf_data, unsigned int in_compressed_ttf_data_size, float size_pixels, const ImWchar* glyph_ranges = NULL, int font_no = 0); // 'in_compressed_ttf_data' untouched and still owned by caller. compress with binary_to_compressed_c. IMGUI_API void ClearTexData(); // Saves RAM once the texture has been copied to graphics memory. IMGUI_API void Clear();