#include <edit.h>
#include <ctype.h>
-static void redraw(int width, int height);
+enum RegionId {
+ STATUS = 0,
+ TAGS = 1,
+ EDIT = 2,
+ NREGIONS = 3
+};
+
+// Input Handlers
static void mouse_handler(MouseAct act, MouseBtn btn, int x, int y);
+static void tag_handler(char* cmd);
static void key_handler(Rune key);
+// Drawing Rotuines
+static void draw_runes(size_t x, size_t y, int fg, int bg, UGlyph* glyphs, size_t rlen);
+static void draw_glyphs(size_t x, size_t y, UGlyph* glyphs, size_t rlen, size_t ncols);
+static void draw_status(int fg, size_t ncols);
+static void draw_region(enum RegionId id);
+static void layout(int width, int height);
+static void redraw(int width, int height);
+
+// UI Callbacks
+static void delete(void);
+static void cursor_up(void);
+static void cursor_dn(void);
+static void cursor_left(void);
+static void cursor_right(void);
+static void cursor_bol(void);
+static void cursor_eol(void);
+static void page_up(void);
+static void page_dn(void);
+static void change_focus(void);
+static void quit(void);
+static void save(void);
+static void undo(void);
+static void redo(void);
+static void cut(void);
+static void copy(void);
+static void paste(void);
+
+// Mouse Handling
+static void mouse_left(enum RegionId id, size_t count, size_t row, size_t col);
+static void mouse_middle(enum RegionId id, size_t count, size_t row, size_t col);
+static void mouse_right(enum RegionId id, size_t count, size_t row, size_t col);
+static void mouse_wheelup(enum RegionId id, size_t count, size_t row, size_t col);
+static void mouse_wheeldn(enum RegionId id, size_t count, size_t row, size_t col);
+
+// Region Utils
+static View* getview(enum RegionId id);
+static Buf* getbuf(enum RegionId id);
+static View* currview(void);
+static Buf* currbuf(void);
+static enum RegionId getregion(size_t x, size_t y);
+
/* Global Data
*****************************************************************************/
-static enum RegionId {
- STATUS = 0,
- TAGS = 1,
- EDIT = 2,
- NREGIONS = 3
-} Focused = EDIT;
+static enum RegionId Focused = EDIT;
static Region Regions[NREGIONS] = { 0 };
static bool TagWinExpanded = false;
static ButtonState MouseBtns[MOUSE_BTN_COUNT] = { 0 };
.palette = COLOR_PALETTE
};
-/* External Commands
- *****************************************************************************/
-#ifdef __MACH__
-static char* CopyCmd[] = { "pbcopy", NULL };
-static char* PasteCmd[] = { "pbpaste", NULL };
-#else
-static char* CopyCmd[] = { "xsel", "-bi", NULL };
-static char* PasteCmd[] = { "xsel", "-bo", NULL };
-#endif
-
-/* Region Utils
- *****************************************************************************/
-static View* getview(enum RegionId id) {
- return &(Regions[id].view);
-}
-
-static Buf* getbuf(enum RegionId id) {
- return &(getview(id)->buffer);
-}
-
-static View* currview(void) {
- return getview(Focused);
-}
-
-static Buf* currbuf(void) {
- return getbuf(Focused);
-}
-
-static enum RegionId getregion(size_t x, size_t y) {
- for (int i = 0; i < NREGIONS; i++) {
- size_t startx = Regions[i].x, endx = startx + Regions[i].width;
- size_t starty = Regions[i].y, endy = starty + Regions[i].height;
- if ((startx <= x && x <= endx) && (starty <= y && y <= endy))
- return (enum RegionId)i;
- }
- return NREGIONS;
-}
-
-/* UI Callbacks
- *****************************************************************************/
-static void delete(void) {
- view_delete(currview());
-}
-
-static void cursor_up(void) {
- view_byline(currview(), -1);
-}
-
-static void cursor_dn(void) {
- view_byline(currview(), +1);
-}
-
-static void cursor_left(void) {
- view_byrune(currview(), -1);
-}
-
-static void cursor_right(void) {
- view_byrune(currview(), +1);
-}
-
-static void cursor_bol(void) {
- view_bol(currview());
-}
-
-static void cursor_eol(void) {
- view_eol(currview());
-}
-
-static void page_up(void) {
- view_scrollpage(currview(), -1);
-}
-
-static void page_dn(void) {
- view_scrollpage(currview(), +1);
-}
-
-static void change_focus(void) {
- if (Focused == TAGS) {
- Focused = EDIT;
- } else {
- Focused = TAGS;
- }
-}
-
-static void quit(void) {
- static uint32_t num_clicks = 0;
- static uint32_t prevtime = 0;
- uint32_t now = getmillis();
- num_clicks = (now - prevtime < 250 ? num_clicks+1 : 1);
- prevtime = now;
- if (!getbuf(EDIT)->modified || num_clicks >= 2)
- exit(0);
-}
-
-static void save(void) {
- buf_save(getbuf(EDIT));
-}
-
-static void undo(void) {
- view_undo(currview());
-}
-
-static void redo(void) {
- view_redo(currview());
-}
-
-static void cut(void) {
- char* str = view_getstr(currview(), NULL);
- if (str && *str) {
- cmdwrite(CopyCmd, str);
- delete();
- }
- free(str);
-}
-
-static void copy(void) {
- char* str = view_getstr(currview(), NULL);
- if (str && *str)
- cmdwrite(CopyCmd, str);
- free(str);
-}
-
-static void paste(void) {
- char* str = cmdread(PasteCmd);
- view_putstr(currview(), str);
- free(str);
-}
-
-/* Builtin Tags
- *****************************************************************************/
Tag Builtins[] = {
{ "Quit", quit },
{ "Save", save },
{ NULL, NULL }
};
-static void tagexec(char* cmd) {
- Tag* tags = Builtins;
- while (tags->tag) {
- if (!strcmp(tags->tag, cmd)) {
- Focused = EDIT;
- tags->action();
- break;
- }
- tags++;
- }
-}
-
-/* Mouse Handling
- *****************************************************************************/
-static void mouse_left(enum RegionId id, size_t count, size_t row, size_t col) {
- if (count == 1) {
- view_setcursor(getview(id), row, col);
- } else if (count == 2) {
- view_select(getview(id), row, col);
- } else if (count == 3) {
- view_selword(getview(id), row, col);
- }
-}
-
-static void mouse_middle(enum RegionId id, size_t count, size_t row, size_t col) {
- if (MouseBtns[MOUSE_BTN_LEFT].pressed)
- cut();
- else {
- char* str = view_fetch(getview(id), row, col);
- tagexec(str);
- free(str);
- }
-}
-
-static void mouse_right(enum RegionId id, size_t count, size_t row, size_t col) {
- if (MouseBtns[MOUSE_BTN_LEFT].pressed)
- paste();
- else
- view_find(getview(id), row, col);
-}
-
-static void mouse_wheelup(enum RegionId id, size_t count, size_t row, size_t col) {
- view_scroll(getview(id), -ScrollLines);
-}
-
-static void mouse_wheeldn(enum RegionId id, size_t count, size_t row, size_t col) {
- view_scroll(getview(id), +ScrollLines);
-}
-
void (*MouseActs[MOUSE_BTN_COUNT])(enum RegionId id, size_t count, size_t row, size_t col) = {
[MOUSE_BTN_LEFT] = mouse_left,
[MOUSE_BTN_MIDDLE] = mouse_middle,
[MOUSE_BTN_WHEELDOWN] = mouse_wheeldn,
};
+static KeyBinding Insert[] = {
+ { KEY_DELETE, delete },
+ { KEY_UP, cursor_up },
+ { KEY_DOWN, cursor_dn },
+ { KEY_LEFT, cursor_left },
+ { KEY_RIGHT, cursor_right },
+ { KEY_HOME, cursor_bol },
+ { KEY_END, cursor_eol },
+ { KEY_PGUP, page_up },
+ { KEY_PGDN, page_dn },
+ { KEY_CTRL_T, change_focus },
+ { KEY_CTRL_Q, quit },
+ { KEY_CTRL_S, save },
+ { KEY_CTRL_Z, undo },
+ { KEY_CTRL_Y, redo },
+ { KEY_CTRL_X, cut },
+ { KEY_CTRL_C, copy },
+ { KEY_CTRL_V, paste },
+ { 0, NULL }
+};
+
+/* External Commands
+ *****************************************************************************/
+#ifdef __MACH__
+static char* CopyCmd[] = { "pbcopy", NULL };
+static char* PasteCmd[] = { "pbpaste", NULL };
+#else
+static char* CopyCmd[] = { "xsel", "-bi", NULL };
+static char* PasteCmd[] = { "xsel", "-bo", NULL };
+#endif
+
+/* Main Routine
+ *****************************************************************************/
+int main(int argc, char** argv) {
+ /* load the buffer views */
+ view_init(getview(TAGS), NULL);
+ view_putstr(getview(TAGS), DEFAULT_TAGS);
+ view_init(getview(EDIT), (argc > 1 ? argv[1] : NULL));
+ /* initialize the display engine */
+ x11_init(&Config);
+ x11_window("edit", Width, Height);
+ x11_show();
+ Font = x11_font_load(FONTNAME);
+ x11_loop();
+ return 0;
+}
+
static void mouse_handler(MouseAct act, MouseBtn btn, int x, int y) {
enum RegionId id = getregion(x, y);
if (id != TAGS && id != EDIT) return;
}
}
-/* Keyboard Bindings
- *****************************************************************************/
-static KeyBinding Insert[] = {
- { KEY_DELETE, delete },
- { KEY_UP, cursor_up },
- { KEY_DOWN, cursor_dn },
- { KEY_LEFT, cursor_left },
- { KEY_RIGHT, cursor_right },
- { KEY_HOME, cursor_bol },
- { KEY_END, cursor_eol },
- { KEY_PGUP, page_up },
- { KEY_PGDN, page_dn },
- { KEY_CTRL_T, change_focus },
- { KEY_CTRL_Q, quit },
- { KEY_CTRL_S, save },
- { KEY_CTRL_Z, undo },
- { KEY_CTRL_Y, redo },
- { KEY_CTRL_X, cut },
- { KEY_CTRL_C, copy },
- { KEY_CTRL_V, paste },
- { 0, NULL }
-};
+static void tag_handler(char* cmd) {
+ Tag* tags = Builtins;
+ while (tags->tag) {
+ if (!strcmp(tags->tag, cmd)) {
+ Focused = EDIT;
+ tags->action();
+ break;
+ }
+ tags++;
+ }
+}
-static void process_table(KeyBinding* bindings, Rune key) {
+static void key_handler(Rune key) {
+ /* ignore invalid keys */
+ if (key == RUNE_ERR) return;
+ /* handle the proper line endings */
+ if (key == '\r') key = '\n';
+ if (key == '\n' && currview()->buffer.crlf) key = RUNE_CRLF;
+ /* handle the key */
+ KeyBinding* bindings = Insert;
while (bindings->key) {
if (key == bindings->key) {
bindings->action();
view_insert(currview(), key);
}
-static void key_handler(Rune key) {
- /* ignore invalid keys */
- if (key == RUNE_ERR) return;
- /* handle the proper line endings */
- if (key == '\r') key = '\n';
- if (key == '\n' && currview()->buffer.crlf) key = RUNE_CRLF;
- /* handle the key */
- process_table(Insert, key);
-}
-
-/* Redisplay Functions
+/* Drawing Routines
*****************************************************************************/
static void draw_runes(size_t x, size_t y, int fg, int bg, UGlyph* glyphs, size_t rlen) {
XGlyphSpec specs[rlen];
draw_region(EDIT);
}
-/* Main Routine
+/* UI Callbacks
*****************************************************************************/
-int main(int argc, char** argv) {
- /* load the buffer views */
- view_init(getview(TAGS), NULL);
- view_putstr(getview(TAGS), DEFAULT_TAGS);
- view_init(getview(EDIT), (argc > 1 ? argv[1] : NULL));
- /* initialize the display engine */
- x11_init(&Config);
- x11_window("edit", Width, Height);
- x11_show();
- Font = x11_font_load(FONTNAME);
- x11_loop();
- return 0;
+static void delete(void) {
+ view_delete(currview());
+}
+
+static void cursor_up(void) {
+ view_byline(currview(), -1);
+}
+
+static void cursor_dn(void) {
+ view_byline(currview(), +1);
+}
+
+static void cursor_left(void) {
+ view_byrune(currview(), -1);
+}
+
+static void cursor_right(void) {
+ view_byrune(currview(), +1);
+}
+
+static void cursor_bol(void) {
+ view_bol(currview());
+}
+
+static void cursor_eol(void) {
+ view_eol(currview());
+}
+
+static void page_up(void) {
+ view_scrollpage(currview(), -1);
+}
+
+static void page_dn(void) {
+ view_scrollpage(currview(), +1);
+}
+
+static void change_focus(void) {
+ Focused = (Focused == TAGS ? EDIT : TAGS);
+}
+
+static void quit(void) {
+ static uint32_t num_clicks = 0;
+ static uint32_t prevtime = 0;
+ uint32_t now = getmillis();
+ num_clicks = (now - prevtime < 250 ? num_clicks+1 : 1);
+ prevtime = now;
+ if (!getbuf(EDIT)->modified || num_clicks >= 2)
+ exit(0);
+}
+
+static void save(void) {
+ buf_save(getbuf(EDIT));
+}
+
+static void undo(void) {
+ view_undo(currview());
+}
+
+static void redo(void) {
+ view_redo(currview());
+}
+
+static void cut(void) {
+ char* str = view_getstr(currview(), NULL);
+ if (str && *str) {
+ cmdwrite(CopyCmd, str);
+ delete();
+ }
+ free(str);
+}
+
+static void copy(void) {
+ char* str = view_getstr(currview(), NULL);
+ if (str && *str)
+ cmdwrite(CopyCmd, str);
+ free(str);
+}
+
+static void paste(void) {
+ char* str = cmdread(PasteCmd);
+ view_putstr(currview(), str);
+ free(str);
+}
+
+/* Mouse Handling
+ *****************************************************************************/
+static void mouse_left(enum RegionId id, size_t count, size_t row, size_t col) {
+ if (count == 1) {
+ view_setcursor(getview(id), row, col);
+ } else if (count == 2) {
+ view_select(getview(id), row, col);
+ } else if (count == 3) {
+ view_selword(getview(id), row, col);
+ }
+}
+
+static void mouse_middle(enum RegionId id, size_t count, size_t row, size_t col) {
+ if (MouseBtns[MOUSE_BTN_LEFT].pressed) {
+ cut();
+ } else {
+ char* str = view_fetch(getview(id), row, col);
+ tag_handler(str);
+ free(str);
+ }
+}
+
+static void mouse_right(enum RegionId id, size_t count, size_t row, size_t col) {
+ if (MouseBtns[MOUSE_BTN_LEFT].pressed)
+ paste();
+ else
+ view_find(getview(id), row, col);
+}
+
+static void mouse_wheelup(enum RegionId id, size_t count, size_t row, size_t col) {
+ view_scroll(getview(id), -ScrollLines);
+}
+
+static void mouse_wheeldn(enum RegionId id, size_t count, size_t row, size_t col) {
+ view_scroll(getview(id), +ScrollLines);
+}
+
+/* Region Utils
+ *****************************************************************************/
+static View* getview(enum RegionId id) {
+ return &(Regions[id].view);
+}
+
+static Buf* getbuf(enum RegionId id) {
+ return &(getview(id)->buffer);
+}
+
+static View* currview(void) {
+ return getview(Focused);
+}
+
+static Buf* currbuf(void) {
+ return getbuf(Focused);
+}
+
+static enum RegionId getregion(size_t x, size_t y) {
+ for (int i = 0; i < NREGIONS; i++) {
+ size_t startx = Regions[i].x, endx = startx + Regions[i].width;
+ size_t starty = Regions[i].y, endy = starty + Regions[i].height;
+ if ((startx <= x && x <= endx) && (starty <= y && y <= endy))
+ return (enum RegionId)i;
+ }
+ return NREGIONS;
}
#if 0
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