diff options
Diffstat (limited to 'textscreen/txt_inputbox.c')
| -rw-r--r-- | textscreen/txt_inputbox.c | 184 |
1 files changed, 100 insertions, 84 deletions
diff --git a/textscreen/txt_inputbox.c b/textscreen/txt_inputbox.c index a28c342c..7056c497 100644 --- a/textscreen/txt_inputbox.c +++ b/textscreen/txt_inputbox.c @@ -32,7 +32,71 @@ #include "txt_main.h" #include "txt_window.h" -static void SetBufferFromValue(txt_inputbox_t *inputbox); +extern txt_widget_class_t txt_inputbox_class; +extern txt_widget_class_t txt_int_inputbox_class; + +static void SetBufferFromValue(txt_inputbox_t *inputbox) +{ + if (inputbox->widget.widget_class == &txt_inputbox_class) + { + char **value = (char **) inputbox->value; + + if (*value != NULL) + { + strncpy(inputbox->buffer, *value, inputbox->size); + inputbox->buffer[inputbox->size] = '\0'; + } + else + { + strcpy(inputbox->buffer, ""); + } + } + else if (inputbox->widget.widget_class == &txt_int_inputbox_class) + { + int *value = (int *) inputbox->value; + sprintf(inputbox->buffer, "%i", *value); + } +} + +static void StartEditing(txt_inputbox_t *inputbox) +{ + // Integer input boxes start from an empty buffer: + + if (inputbox->widget.widget_class == &txt_int_inputbox_class) + { + strcpy(inputbox->buffer, ""); + } + else + { + SetBufferFromValue(inputbox); + } + + inputbox->editing = 1; +} + +static void FinishEditing(txt_inputbox_t *inputbox) +{ + if (!inputbox->editing) + { + return; + } + + // Save the new value back to the variable. + + if (inputbox->widget.widget_class == &txt_inputbox_class) + { + free(*((char **)inputbox->value)); + *((char **) inputbox->value) = strdup(inputbox->buffer); + } + else if (inputbox->widget.widget_class == &txt_int_inputbox_class) + { + *((int *) inputbox->value) = atoi(inputbox->buffer); + } + + TXT_EmitSignal(&inputbox->widget, "changed"); + + inputbox->editing = 0; +} static void TXT_InputBoxSizeCalc(TXT_UNCAST_ARG(inputbox)) { @@ -44,25 +108,27 @@ static void TXT_InputBoxSizeCalc(TXT_UNCAST_ARG(inputbox)) inputbox->widget.h = 1; } -static void TXT_InputBoxDrawer(TXT_UNCAST_ARG(inputbox), int selected) +static void TXT_InputBoxDrawer(TXT_UNCAST_ARG(inputbox)) { TXT_CAST_ARG(txt_inputbox_t, inputbox); + int focused; int i; int chars; int w; + focused = inputbox->widget.focused; w = inputbox->widget.w; // Select the background color based on whether we are currently - // editing, and if not, whether the widget is selected. + // editing, and if not, whether the widget is focused. - if (inputbox->editing && selected) + if (inputbox->editing && focused) { TXT_BGColor(TXT_COLOR_BLACK, 0); } else { - TXT_SetWidgetBG(inputbox, selected); + TXT_SetWidgetBG(inputbox); } TXT_FGColor(TXT_COLOR_BRIGHT_WHITE); @@ -70,21 +136,21 @@ static void TXT_InputBoxDrawer(TXT_UNCAST_ARG(inputbox), int selected) if (!inputbox->editing) { // If not editing, use the current value from inputbox->value. - + SetBufferFromValue(inputbox); } - + TXT_DrawString(inputbox->buffer); chars = strlen(inputbox->buffer); - if (chars < w && inputbox->editing && selected) + if (chars < w && inputbox->editing && focused) { TXT_BGColor(TXT_COLOR_BLACK, 1); TXT_DrawString("_"); ++chars; } - + for (i=chars; i < w; ++i) { TXT_DrawString(" "); @@ -95,6 +161,14 @@ static void TXT_InputBoxDestructor(TXT_UNCAST_ARG(inputbox)) { TXT_CAST_ARG(txt_inputbox_t, inputbox); + // If we're still editing when the widget is destroyed, save the + // value first. + + if (inputbox->editing) + { + FinishEditing(inputbox); + } + free(inputbox->buffer); } @@ -125,8 +199,7 @@ static int TXT_InputBoxKeyPress(TXT_UNCAST_ARG(inputbox), int key) { if (key == KEY_ENTER) { - SetBufferFromValue(inputbox); - inputbox->editing = 1; + StartEditing(inputbox); return 1; } @@ -135,12 +208,7 @@ static int TXT_InputBoxKeyPress(TXT_UNCAST_ARG(inputbox), int key) if (key == KEY_ENTER) { - free(*((char **)inputbox->value)); - *((char **) inputbox->value) = strdup(inputbox->buffer); - - TXT_EmitSignal(&inputbox->widget, "changed"); - - inputbox->editing = 0; + FinishEditing(inputbox); } if (key == KEY_ESCAPE) @@ -159,50 +227,7 @@ static int TXT_InputBoxKeyPress(TXT_UNCAST_ARG(inputbox), int key) { Backspace(inputbox); } - - return 1; -} - -static int TXT_IntInputBoxKeyPress(TXT_UNCAST_ARG(inputbox), int key) -{ - TXT_CAST_ARG(txt_inputbox_t, inputbox); - - if (!inputbox->editing) - { - if (key == KEY_ENTER) - { - strcpy(inputbox->buffer, ""); - inputbox->editing = 1; - return 1; - } - - return 0; - } - - if (key == KEY_ENTER) - { - *((int *) inputbox->value) = atoi(inputbox->buffer); - - inputbox->editing = 0; - } - - if (key == KEY_ESCAPE) - { - inputbox->editing = 0; - } - if (isdigit(key)) - { - // Add character to the buffer - - AddCharacter(inputbox, key); - } - - if (key == KEY_BACKSPACE) - { - Backspace(inputbox); - } - return 1; } @@ -224,6 +249,18 @@ static void TXT_InputBoxMousePress(TXT_UNCAST_ARG(inputbox), } } +static void TXT_InputBoxFocused(TXT_UNCAST_ARG(inputbox), int focused) +{ + TXT_CAST_ARG(txt_inputbox_t, inputbox); + + // Stop editing when we lose focus. + + if (inputbox->editing && !focused) + { + FinishEditing(inputbox); + } +} + txt_widget_class_t txt_inputbox_class = { TXT_AlwaysSelectable, @@ -233,6 +270,7 @@ txt_widget_class_t txt_inputbox_class = TXT_InputBoxDestructor, TXT_InputBoxMousePress, NULL, + TXT_InputBoxFocused, }; txt_widget_class_t txt_int_inputbox_class = @@ -240,35 +278,13 @@ txt_widget_class_t txt_int_inputbox_class = TXT_AlwaysSelectable, TXT_InputBoxSizeCalc, TXT_InputBoxDrawer, - TXT_IntInputBoxKeyPress, + TXT_InputBoxKeyPress, TXT_InputBoxDestructor, TXT_InputBoxMousePress, NULL, + TXT_InputBoxFocused, }; -static void SetBufferFromValue(txt_inputbox_t *inputbox) -{ - if (inputbox->widget.widget_class == &txt_inputbox_class) - { - char **value = (char **) inputbox->value; - - if (*value != NULL) - { - strncpy(inputbox->buffer, *value, inputbox->size); - inputbox->buffer[inputbox->size] = '\0'; - } - else - { - strcpy(inputbox->buffer, ""); - } - } - else if (inputbox->widget.widget_class == &txt_int_inputbox_class) - { - int *value = (int *) inputbox->value; - sprintf(inputbox->buffer, "%i", *value); - } -} - txt_inputbox_t *TXT_NewInputBox(char **value, int size) { txt_inputbox_t *inputbox; |