Fix line number clipping, rendering issue

src/basic/basic_alloc.cpp

@@ -20,6 +20,7 @@
     #define WIN32_LEAN_AND_MEAN
 #endif
 #include <windows.h>
+#undef Yield
 
 API void *VReserve(size_t size) {
     void *result = (uint8_t *)VirtualAlloc(0, size, MEM_RESERVE, PAGE_READWRITE);

src/basic/basic_head.h

@@ -93,6 +93,7 @@
     #define WIN32_LEAN_AND_MEAN
 #endif
 #include <windows.h>
+#undef Yield
 #define BREAK() if (IsDebuggerPresent()) {__debugbreak();}
 #elif OS_LINUX
 #define BREAK() raise(SIGTRAP)

src/basic/basic_os.cpp

@@ -462,6 +462,7 @@ API void CloseStdin(Process *process) {
     #define WIN32_LEAN_AND_MEAN
 #endif
 #include <windows.h>
+#undef Yield
 #include <stdio.h>
 #include <intrin.h>
 

src/basic/math_int.cpp

@@ -90,6 +90,14 @@ Vec2I GetMid(Rect2I r) {
     return result;
 }
 
+Rect2 Round(Rect2 r) {
+    r.min.x = roundf(r.min.x);
+    r.max.x = roundf(r.max.x);
+    r.min.y = roundf(r.min.y);
+    r.max.y = roundf(r.max.y);
+    return r;
+}
+
 Rect2I CutLeft(Rect2I *r, Int value) {
     Int minx      = r->min.x;
     r->min.x      = Min(r->min.x + value, r->max.x);

src/external/minicoro.h

@@ -476,6 +476,7 @@ MCO_API const char *mco_result_description(mco_result res); /* Get the descripti
             #define WIN32_LEAN_AND_MEAN
         #endif
         #include <windows.h>
+        #undef Yield
     #endif
 
     #ifndef MCO_NO_DEFAULT_ALLOCATOR

src/render/opengl.cpp

@@ -288,7 +288,7 @@ void PushVertex2D(Allocator allocator, VertexList2D *list, Vertex2D *vertices, i
     for (int i = 0; i < count; i += 1) result[i] = vertices[i];
 }
 
-void PushQuad2D(Allocator arena, VertexList2D *list, Rect2 rect, Rect2 tex, Color color, float rotation = 0.f, Vec2 rotation_point = {}) {
+void PushQuad2D(Allocator arena, VertexList2D *list, Rect2 rect, Rect2 tex, Color color) {
     Vertex2D *v = AllocVertex2D(arena, list, 6);
     v[0] = { {rect.min.x, rect.max.y}, { tex.min.x,  tex.max.y}, color };
     v[1] = { {rect.max.x, rect.max.y}, { tex.max.x,  tex.max.y}, color };
@@ -296,15 +296,6 @@ void PushQuad2D(Allocator arena, VertexList2D *list, Rect2 rect, Rect2 tex, Colo
     v[3] = { {rect.min.x, rect.min.y}, { tex.min.x,  tex.min.y}, color };
     v[4] = { {rect.max.x, rect.max.y}, { tex.max.x,  tex.max.y}, color };
     v[5] = { {rect.max.x, rect.min.y}, { tex.max.x,  tex.min.y}, color };
-    if (rotation != 0.f) {
-        float s = sinf(rotation);
-        float c = cosf(rotation);
-        for (int i = 0; i < 6; i += 1) {
-            v[i].pos -= rotation_point;
-            v[i].pos = {v[i].pos.x * c + v[i].pos.y * (-s), v[i].pos.x * s + v[i].pos.y * c};
-            v[i].pos += rotation_point;
-        }
-    }
 }
 
 void DrawRect(Rect2 rect, Color color) {
@@ -336,7 +327,7 @@ Vec2 DrawString(Font *font, String16 string, Vec2 pos, Color color, bool draw =
         Glyph *g    = GetGlyph(font, it);
         Rect2  rect = Rect2FromSize(pos + g->offset, g->size);
         if (draw && it != '\n' && it != ' ' && it != '\t') {
-            PushQuad2D(RenderArena, &Vertices, rect, g->atlas_bounding_box, color);
+            PushQuad2D(RenderArena, &Vertices, Round(rect), g->atlas_bounding_box, color);
         }
         pos.x += g->xadvance;
     }

src/test/tests.cpp

@@ -21,7 +21,7 @@ void AddText(String string) {
 
 void Wait(mco_coro *co) {
     Add(&EventPlayback, {EVENT_KIND_INVALID});
-    for (Event *event = CoYield(co); event->kind != EVENT_KIND_INVALID; event = CoYield(co)) {
+    for (Event *event = Yield(co); event->kind != EVENT_KIND_INVALID; event = Yield(co)) {
     }
 }
 
@@ -153,8 +153,8 @@ void InitTests() {
     WaitForEvents = false;
     TestDir = Format(TestArena, "%S/test_env", GetExeDir(TestArena));
 
-    CoRemove("Test");
-    CoData *data = CoAdd(Test);
+    RemoveCoroutine("Test");
+    CCtx *data = AddCoroutine(Test);
     data->dont_wait_until_resolved = true;
-    CoResume(data);
+    ResumeCoroutine(data);
 }

src/text_editor/coroutines.cpp

@@ -1,41 +1,47 @@
-typedef void CoroutineProc(mco_coro *co);
-CoData *CoCurr = NULL;
+typedef void CoroutineFunction(mco_coro *co);
+CCtx *_CoroutineContext = NULL;
 
-void CoDestroy(CoData *n) {
+CCtx *GetCoroutineContext() {
+    Assert(_CoroutineContext);
+    return _CoroutineContext;
+}
+
+void DestroyCoroutine(CCtx *n) {
     mco_destroy(n->co);
     Release(&n->arena);
 }
 
-void CoRemove(String name) {
+void RemoveCoroutine(String name) {
     IterRemove(ActiveCoroutines) {
         IterRemovePrepare(ActiveCoroutines);
         if (it.name == name) {
-            CoDestroy(&it);
+            DestroyCoroutine(&it);
             remove_item = true;
         }
     }
 }
 
-#define CoAdd(x) CoAddEx(x, #x)
-CoData *CoAddEx(CoroutineProc *proc, String name) {
-    mco_desc desc = mco_desc_init(proc, 0);
+CCtx CreateCoroutine(CoroutineFunction *func, String name) {
+    mco_desc desc = mco_desc_init(func, 0);
     mco_coro *coro = NULL;
     mco_result ok = mco_create(&coro, &desc);
-    if (ok != MCO_SUCCESS) {
-        ReportWarningf("failed to create coroutine %d", ok);
-        return NULL;
-    }
+    assert(ok == MCO_SUCCESS);
+    return {coro, name};
+}
 
-    Add(&ActiveCoroutines, {coro, name});
+#define AddCoroutine(x) AddCoroutineEx(x, #x)
+CCtx *AddCoroutineEx(CoroutineFunction *func, String name) {
+    CCtx coroutine = CreateCoroutine(func, name);
+    Add(&ActiveCoroutines, coroutine);
     return GetLast(ActiveCoroutines);
 }
 
-void CoResume(CoData *dat) {
-    CoData *prev_curr = CoCurr;
-    CoCurr = dat;
+void ResumeCoroutine(CCtx *dat) {
+    CCtx *prev_curr = _CoroutineContext;
+    _CoroutineContext = dat;
     mco_result ok = mco_resume(dat->co);
     Assert(ok == MCO_SUCCESS);
-    CoCurr = prev_curr;
+    _CoroutineContext = prev_curr;
 }
 
 void UpdateCoroutines(Event *event) {
@@ -48,17 +54,18 @@ void UpdateCoroutines(Event *event) {
 
             mco_state status = mco_status(it.co);
             if (status == MCO_DEAD) {
-                CoDestroy(&it);
+                DestroyCoroutine(&it);
                 remove_item = true;
             } else {
                 mco_push(it.co, &event, sizeof(Event *));
-                CoCurr = ⁢
+                _CoroutineContext = ⁢
                 mco_result ok = mco_resume(it.co);
                 if (ok != MCO_SUCCESS) {
                     ReportWarningf("failed to resume coroutine %d", ok);
-                    CoDestroy(&it);
+                    DestroyCoroutine(&it);
                     remove_item = true;
                 }
+                _CoroutineContext = NULL;
             }
         }
 
@@ -79,7 +86,7 @@ void UpdateCoroutines(Event *event) {
     }
 }
 
-Event *CoYield(mco_coro *co) {
+Event *Yield(mco_coro *co) {
     mco_result ok = mco_yield(co);
     Assert(ok == MCO_SUCCESS);
 

src/text_editor/draw.cpp

@@ -65,7 +65,7 @@ void DrawVisibleText(Window *window, Color tint) {
             Rect2 rect = Rect2FromSize(p + g->offset, g->size);
 
             if (codepoint != '\n' && codepoint != '\r' && codepoint != ' ' && codepoint != '\t') {
-                PushQuad2D(RenderArena, &Vertices, rect, g->atlas_bounding_box, tint);
+                PushQuad2D(RenderArena, &Vertices, Round(rect), g->atlas_bounding_box, tint);
             }
 
             text_offset_x += window->font->char_spacing;

src/text_editor/globals.cpp

@@ -110,8 +110,14 @@ Array<Variable> Variables;
 Array<Process> ActiveProcesses = {};
 Array<String> ProcessEnviroment = {};
 
-struct CoData { mco_coro *co; String name; BlockArena arena; bool dont_wait_until_resolved; void *user_ctx; };
-Array<CoData> ActiveCoroutines;
+struct CCtx {
+    mco_coro *co;
+    String name;
+    BlockArena arena;
+    bool dont_wait_until_resolved;
+    void *user_ctx;
+};
+Array<CCtx> ActiveCoroutines;
 
 Color GruvboxDark0Hard = {0x1d, 0x20, 0x21, 0xff};
 Color GruvboxDark0 = {0x28, 0x28, 0x28, 0xff};

src/text_editor/plugin_file_commands.cpp

@@ -38,6 +38,7 @@ void CMD_Reopen() {
 } RegisterCommand(CMD_Reopen, "", "Reads again from disk the current buffer");
 
 void CO_Rename(mco_coro *co) {
+    CCtx *ctx = GetCoroutineContext();
     BSet main = GetBSet(PrimaryWindowID);
     Buffer *original_buffer = main.buffer;
     JumpTempBuffer(&main);
@@ -60,11 +61,12 @@ void CO_Rename(mco_coro *co) {
         return;
     }
     String16 string16 = GetString(main.buffer, {a.range.max + 1, b.range.max});
-    String string = ToString(CoCurr->arena, string16);
+    String string = ToString(ctx->arena, string16);
     original_buffer->name = Intern(&GlobalInternTable, string);
 } RegisterCoroutineCommand(CO_Rename, "", "Opens a UI asking for a new name of a buffer open in the last active primary window");
 
 void CO_Close(mco_coro *co) {
+    CCtx *ctx = GetCoroutineContext();
     BSet main = GetBSet(PrimaryWindowID);
     if (main.buffer->special || main.buffer->temp) {
         Close(main.view->id);
@@ -92,7 +94,7 @@ void CO_Close(mco_coro *co) {
         return;
     }
 
-    String question = Format(CoCurr->arena, "Do you want to save [%S] before closing?", main.buffer->name);
+    String question = Format(ctx->arena, "Do you want to save [%S] before closing?", main.buffer->name);
     UIAction ui_action = QueryUserYesNoCancel(co, main, question);
     if (ui_action == UIAction_Yes) {
         SaveBuffer(main.buffer);
@@ -116,9 +118,10 @@ void CO_CloseAll(mco_coro *co) {
 } RegisterCoroutineCommand(CO_CloseAll, "", "Ask user which files to save and close all open normal views and buffers");
 
 void CO_ReplaceAll(mco_coro *co) {
+    CCtx *ctx = GetCoroutineContext();
     BSet main = GetBSet(PrimaryWindowID);
     String16 string = FetchLoadWord(main.view);
-    String string8 = ToString(CoCurr->arena, string);
+    String string8 = ToString(ctx->arena, string);
     String16 needle = {};
     String16 replace = {};
 
@@ -144,7 +147,7 @@ void CO_ReplaceAll(mco_coro *co) {
     {
         JumpTempBuffer(&main);
         NextActiveWindowID = main.window->id;
-        RawAppendf(main.buffer, ":Submit (enter) :Cancel (escape)\nString to replace with::%S", ToString(CoCurr->arena, needle));
+        RawAppendf(main.buffer, ":Submit (enter) :Cancel (escape)\nString to replace with::%S", ToString(ctx->arena, needle));
 
         Caret field_seek = BaseFindNext(main.buffer, u"with::", MakeCaret(0), SeekFlag_None);
         main.view->carets[0] = MakeCaret(main.buffer->len, field_seek.range.max);

src/text_editor/plugin_load_vcvars.cpp

@@ -11,7 +11,7 @@ void Windows_SetupVCVarsall(mco_coro *co) {
         if (!ProcessIsActive(view->id)) {
             break;
         }
-        CoYield(co);
+        Yield(co);
     }
 
     Scratch scratch;
@@ -30,8 +30,8 @@ void Windows_SetupVCVarsall(mco_coro *co) {
 
 
 void LoadVCVars() {
-    CoRemove("Windows_SetupVCVarsall");
-    CoData *co_data = CoAdd(Windows_SetupVCVarsall);
+    RemoveCoroutine("Windows_SetupVCVarsall");
+    CCtx *co_data = AddCoroutine(Windows_SetupVCVarsall);
     co_data->dont_wait_until_resolved = true;
-    CoResume(co_data);
+    ResumeCoroutine(co_data);
 }

src/text_editor/plugin_project_management.cpp

@@ -10,12 +10,13 @@ void SetProjectDirectory(String dir) {
 }
 
 void CO_OpenCode(mco_coro *co) {
-    Array<String> patterns = SplitWhitespace(CoCurr->arena, OpenCodePatterns);
-    Array<String> exclude_patterns = SplitWhitespace(CoCurr->arena, OpenCodeExcludePatterns);
-    Array<String> dirs = {CoCurr->arena};
-    Add(&dirs, Copy(CoCurr->arena, ProjectDirectory));
+    CCtx *ctx = GetCoroutineContext();
+    Array<String> patterns = SplitWhitespace(ctx->arena, OpenCodePatterns);
+    Array<String> exclude_patterns = SplitWhitespace(ctx->arena, OpenCodeExcludePatterns);
+    Array<String> dirs = {ctx->arena};
+    Add(&dirs, Copy(ctx->arena, ProjectDirectory));
     for (int diri = 0; diri < dirs.len; diri += 1) {
-        for (FileIter it = IterateFiles(CoCurr->arena, dirs[diri]); IsValid(it); Advance(&it)) {
+        for (FileIter it = IterateFiles(ctx->arena, dirs[diri]); IsValid(it); Advance(&it)) {
             bool should_open = true;
             if (!it.is_directory) {
                 should_open = false;
@@ -45,7 +46,7 @@ void CO_OpenCode(mco_coro *co) {
                 BufferOpenFile(it.absolute_path);
             }
 
-            CoYield(co);
+            Yield(co);
         }
     }
 } RegisterCoroutineCommand(

src/text_editor/plugin_remedybg.cpp

@@ -2098,6 +2098,7 @@ uint8_t reply_buf[REPLY_BUF_SIZE];
 ClientContext RDBG_Ctx;
 
 bool RDBG_InitConnection(mco_coro *co, bool create_session = true) {
+    CCtx *ctx = GetCoroutineContext();
     ReportConsolef("Remedybg: InitConnection");
     enum rdbg_CommandResult res;
     if (RDBG_Ctx.command_pipe_handle != NULL) {
@@ -2112,7 +2113,7 @@ bool RDBG_InitConnection(mco_coro *co, bool create_session = true) {
     if (create_session) {
         if (BinaryUnderDebug.len) {
             Window *window = GetWindow(PrimaryWindowID);
-            ResolvedOpen res = ResolveOpen(CoCurr->arena, window, BinaryUnderDebug, ResolveOpenMeta_DontError | ResolveOpenMeta_DontExec);
+            ResolvedOpen res = ResolveOpen(ctx->arena, window, BinaryUnderDebug, ResolveOpenMeta_DontError | ResolveOpenMeta_DontExec);
             if (res.kind == OpenKind_Goto) {
                 file = Intern(&GlobalInternTable, res.path);
             }
@@ -2133,8 +2134,8 @@ bool RDBG_InitConnection(mco_coro *co, bool create_session = true) {
         }
     }
 
-    String session_name = Format(CoCurr->arena, "te%llu", GetTimeNanos());
-    String remedy_string = Format(CoCurr->arena, "%S --servername %S", RemedyBGPath, session_name);
+    String session_name = Format(ctx->arena, "te%llu", GetTimeNanos());
+    String remedy_string = Format(ctx->arena, "%S --servername %S", RemedyBGPath, session_name);
     ReportConsolef("Remedybg: %S", remedy_string);
     Exec(LogView->id, true, remedy_string, GetPrimaryDirectory());
     MemoryZero(&RDBG_Ctx, sizeof(RDBG_Ctx));

src/text_editor/plugin_search_open_buffers.cpp

@@ -4,9 +4,10 @@ struct SearchOpenBuffersParams {
 };
 
 void Coro_SearchOpenBuffers(mco_coro *co) {
-    SearchOpenBuffersParams *param = (SearchOpenBuffersParams *)CoCurr->user_ctx;
+    CCtx *ctx = GetCoroutineContext();
+    SearchOpenBuffersParams *param = (SearchOpenBuffersParams *)ctx->user_ctx;
 
-    Array<BufferID> buffers = {CoCurr->arena};
+    Array<BufferID> buffers = {ctx->arena};
     For (Buffers) {
         Add(&buffers, it->id);
     }
@@ -36,7 +37,7 @@ void Coro_SearchOpenBuffers(mco_coro *co) {
                 Appendf(out_view, "%S ||> %S:%lld:%lld\n", line_string8, it->name, (long long)line + 1, (long long)column + 1);
             }
         }
-        CoYield(co);
+        Yield(co);
     }
 }
 
@@ -55,14 +56,14 @@ void UpdateSearchOpenBuffersView() {
             Replace(active.view, line_string);
             Append(active.view, "\n", false);
 
-            CoRemove("Coro_SearchOpenBuffers");
-            CoData *dat = CoAdd(Coro_SearchOpenBuffers);
+            RemoveCoroutine("Coro_SearchOpenBuffers");
+            CCtx *dat = AddCoroutine(Coro_SearchOpenBuffers);
             SearchOpenBuffersParams *param = AllocType(dat->arena, SearchOpenBuffersParams);
             param->needle = Copy16(dat->arena, line_string);
             param->view = active.view->id;
             dat->user_ctx = param;
             dat->dont_wait_until_resolved = true;
-            CoResume(dat);
+            ResumeCoroutine(dat);
 
             active.view->carets[0] = caret;
         }

src/text_editor/text_editor.cpp

@@ -175,9 +175,9 @@ void ShowQuitAppUI(mco_coro *co) {
 }
 
 void CMD_Quit() {
-    CoRemove("ShowQuitAppUI");
-    CoData *data = CoAdd(ShowQuitAppUI);
-    CoResume(data);
+    RemoveCoroutine("ShowQuitAppUI");
+    CCtx *data = AddCoroutine(ShowQuitAppUI);
+    ResumeCoroutine(data);
 } RegisterCommand(CMD_Quit, "", "Ask user which files he would like to save and exit");
 
 void OnCommand(Event event) {

src/text_editor/text_editor.h

@@ -293,10 +293,10 @@ struct Register_Command {
 };
 #define RegisterCommand(name, binding, docs) Register_Command RC__##name(&GlobalCommands, name, #name, binding, docs)
 #define RegisterCoroutineCommand(name, binding, docs, ...) void CMD_##name() {\
-        CoRemove(#name);\
-        CoData *data = CoAdd(name);\
+        RemoveCoroutine(#name);\
+        CCtx *data = AddCoroutine(name);\
         __VA_ARGS__\
-        CoResume(data);\
+        ResumeCoroutine(data);\
     }\
     Register_Command RC__##name(&GlobalCommands, CMD_##name, #name, binding, docs)
 

src/text_editor/ui.cpp

@@ -35,7 +35,7 @@ UIAction WaitForUIAction(mco_coro *co, BSet main) {
             break;
         }
 
-        CoYield(co);
+        Yield(co);
     }
     Close(main.buffer->id);
     return result;
@@ -118,8 +118,9 @@ String16 QueryUserString(mco_coro *co, String ask) {
 // 2. Are pointers and globals correct over time? Or might they get deleted etc.
 // 3. Imagine a scenario where the coroutine gets deleted before completion, will the memory leak?
 UIAction ShowCloseAllUI(mco_coro *co) {
+    CCtx *ctx = GetCoroutineContext();
     BSet main = GetBSet(PrimaryWindowID);
-    Array<BufferID> buffers = {CoCurr->arena};
+    Array<BufferID> buffers = {ctx->arena};
     For (Buffers) Add(&buffers, it->id);
     ForItem (id, buffers) {
         Buffer *it = GetBuffer(id, NULL);
@@ -130,7 +131,7 @@ UIAction ShowCloseAllUI(mco_coro *co) {
             continue;
         }
 
-        String question = Format(CoCurr->arena, "Do you want to save [%S] before closing?", it->name);
+        String question = Format(ctx->arena, "Do you want to save [%S] before closing?", it->name);
         UIAction ui_action = QueryUserYesNoCancel(co, main, question);
         it = GetBuffer(id, NULL);
         if (it && ui_action == UIAction_Yes) {
@@ -167,7 +168,7 @@ String QueryUserFile(mco_coro *co) {
             break;
         }
 
-        CoYield(co);
+        Yield(co);
     }
     window->active_view = original_view;
     return window->ui_query_file;

src/text_editor/window.cpp

@@ -453,13 +453,12 @@ void MoveCursorByPageSize(Window *window, int direction, bool shift = false) {
         y = -y;
     }
 
-    For(set.view->carets) {
+    For (set.view->carets) {
         XY xy = PosToXY(set.buffer, GetFront(it));
+        xy.col = 0;
         if (direction == DIR_DOWN && xy.line == set.buffer->line_starts.len - 1) {
             Range line_range = GetLineRange(set.buffer, xy.line);
             xy.col = line_range.max - line_range.min;
-        } else if (direction == DIR_UP && xy.line == 0) {
-            xy.col = 0;
         }
         xy.line += y;